diff --git a/.gitignore b/.gitignore
index 56cb825a..1a7dfab5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,6 @@ node_modules/
 /server/dist/
 
 # These are here for the testbook
-/.xsd/
\ No newline at end of file
+/.xsd/
+
+/client/static/xsd/*.xsd.orig
\ No newline at end of file
diff --git a/README.md b/README.md
index f2823849..a031b943 100644
--- a/README.md
+++ b/README.md
@@ -279,7 +279,7 @@ The CNXML schema validation in the extension is performed using XSD files genera
 
 ```bash
 $ git -C ../cnxml checkout poet-schema
-$ java -jar ../jing-trang/build/jing.jar -s ../cnxml/cnxml/xml/poet/schema/rng/poet-jing.rng > poet-simplified.rng
+$ java -jar ../jing-trang/build/jing.jar -i -s ../cnxml/cnxml/xml/poet/schema/rng/poet-jing.rng > poet-simplified.rng
 $ java -jar ../jing-trang/build/trang.jar -I rng -O xsd poet-simplified.rng client/static/xsd/mathml.xsd
 $ patch -p1 < client/static/xsd/trang.patch
 $ rm poet-simplified.rng
diff --git a/client/static/xsd/cmlnle.xsd b/client/static/xsd/cmlnle.xsd
index 93476890..01b4f818 100644
--- a/client/static/xsd/cmlnle.xsd
+++ b/client/static/xsd/cmlnle.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://katalysteducation.org/cmlnle/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://katalysteducation.org/cmlnle/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://cnx.rice.edu/system-info" schemaLocation="s.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:attribute name="case"/>
diff --git a/client/static/xsd/cnxml.xsd b/client/static/xsd/cnxml.xsd
index e5baab8e..8d159598 100644
--- a/client/static/xsd/cnxml.xsd
+++ b/client/static/xsd/cnxml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/cnxml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/cnxml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/mdml" schemaLocation="mdml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:element name="document">
@@ -45,7 +44,6 @@
         <xs:simpleType>
           <xs:restriction base="xs:token">
             <xs:enumeration value="true"/>
-            <xs:enumeration value="false"/>
           </xs:restriction>
         </xs:simpleType>
       </xs:attribute>
@@ -5207,7 +5205,7 @@
             <xs:group minOccurs="0" ref="mathml:longdesc_2"/>
             <xs:choice>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -5219,7 +5217,7 @@
             </xs:choice>
             <xs:choice minOccurs="0" maxOccurs="unbounded">
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6209,7 +6207,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6279,7 +6277,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6351,7 +6349,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6454,7 +6452,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6557,7 +6555,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6631,7 +6629,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6746,7 +6744,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
@@ -6906,7 +6904,7 @@
               <xs:group ref="mathml:note_2"/>
               <xs:group ref="mathml:list_5"/>
               <xs:group ref="mathml:object_2"/>
-              <xs:group ref="mathml:image_3"/>
+              <xs:group ref="mathml:image_4"/>
               <xs:group ref="mathml:audio_2"/>
               <xs:group ref="mathml:video_2"/>
               <xs:group ref="mathml:java-applet_2"/>
diff --git a/client/static/xsd/collxml.xsd b/client/static/xsd/collxml.xsd
index c1cbab1d..32589fef 100644
--- a/client/static/xsd/collxml.xsd
+++ b/client/static/xsd/collxml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/collxml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/collxml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/mdml" schemaLocation="mdml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:element name="collection">
diff --git a/client/static/xsd/cxlxt.xsd b/client/static/xsd/cxlxt.xsd
index cf9afe16..8b9558b0 100644
--- a/client/static/xsd/cxlxt.xsd
+++ b/client/static/xsd/cxlxt.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://katalysteducation.org/cxlxt/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://katalysteducation.org/cxlxt/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://cnx.rice.edu/system-info" schemaLocation="s.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:attribute name="born"/>
diff --git a/client/static/xsd/mathml.xsd b/client/static/xsd/mathml.xsd
index 7ed1e128..48f2bff9 100644
--- a/client/static/xsd/mathml.xsd
+++ b/client/static/xsd/mathml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/1998/Math/MathML" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/1998/Math/MathML" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://cnx.rice.edu/system-info" schemaLocation="s.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:group name="parameters">
@@ -481,22 +480,165 @@
       <xs:element name="math">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi"/>
             <xs:group ref="mathml:mn"/>
             <xs:group ref="mathml:mo"/>
             <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow"/>
             <xs:group ref="mathml:mfrac"/>
             <xs:group ref="mathml:msqrt"/>
             <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
             <xs:group ref="mathml:mstyle"/>
             <xs:group ref="mathml:merror"/>
             <xs:group ref="mathml:mpadded"/>
             <xs:group ref="mathml:mphantom"/>
             <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
             <xs:group ref="mathml:msub"/>
             <xs:group ref="mathml:msup"/>
             <xs:group ref="mathml:msubsup"/>
@@ -505,679 +647,284 @@
             <xs:group ref="mathml:munderover"/>
             <xs:group ref="mathml:mmultiscripts"/>
             <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
             <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:semantics_2"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="macros"/>
-          <xs:attribute name="mode"/>
-          <xs:attribute name="display"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="name"/>
-          <xs:attribute name="height"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="baseline"/>
-          <xs:attribute name="overflow">
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptlevel" type="xs:integer"/>
+          <xs:attribute name="displaystyle">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="scroll"/>
-                <xs:enumeration value="elide"/>
-                <xs:enumeration value="truncate"/>
-                <xs:enumeration value="scale"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="altimg"/>
-          <xs:attribute name="alttext"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="quote_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:quote1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="preformat_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:preformat1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="list_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:list1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="label">
-    <xs:sequence>
-      <xs:group ref="cnxml:label"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="link">
-    <xs:sequence>
-      <xs:group ref="cnxml:link"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="parameters_3">
-    <xs:sequence>
-      <xs:group ref="collxml:parameters2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="title_4">
-    <xs:sequence>
-      <xs:group ref="mdml:title"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="person_2">
-    <xs:sequence>
-      <xs:group ref="mdml:person1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="organization_2">
-    <xs:sequence>
-      <xs:group ref="mdml:organization1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="role_2">
-    <xs:sequence>
-      <xs:group ref="mdml:role1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="keyword_2">
-    <xs:sequence>
-      <xs:group ref="mdml:keyword1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="subject_2">
-    <xs:sequence>
-      <xs:group ref="mdml:subject1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="education-level_2">
-    <xs:sequence>
-      <xs:group ref="mdml:education-level1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="para_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:para2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="emphasis_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:emphasis2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="term_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:term1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="foreign_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:foreign1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cite_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:cite1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="span_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:span1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sup_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:sup2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sub_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:sub2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="code_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:code2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="math_2">
-    <xs:sequence>
-      <xs:element name="math">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="macros"/>
-          <xs:attribute name="mode"/>
-          <xs:attribute name="display"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="name"/>
-          <xs:attribute name="height"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="baseline"/>
-          <xs:attribute name="overflow">
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:attribute name="scriptminsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="infixlinebreakstyle">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="scroll"/>
-                <xs:enumeration value="elide"/>
-                <xs:enumeration value="truncate"/>
-                <xs:enumeration value="scale"/>
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="altimg"/>
-          <xs:attribute name="alttext"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="quote_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:quote2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="preformat_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:preformat2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="list_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:list2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="label_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:label1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="link_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:link1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="title_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:title1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="span_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:span2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="term_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:term2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cite_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:cite2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cite-title">
-    <xs:sequence>
-      <xs:group ref="cnxml:cite-title"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="foreign_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:foreign2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="emphasis_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:emphasis3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sub_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:sub3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sup_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:sup3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="footnote">
-    <xs:sequence>
-      <xs:group ref="cnxml:footnote"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="seealso">
-    <xs:sequence>
-      <xs:group ref="cnxml:seealso"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="meaning">
-    <xs:sequence>
-      <xs:group ref="cnxml:meaning"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="subfigure">
-    <xs:sequence>
-      <xs:group ref="cnxml:subfigure"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="caption">
-    <xs:sequence>
-      <xs:group ref="cnxml:caption"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="longdesc">
-    <xs:sequence>
-      <xs:group ref="cnxml:longdesc"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="object">
-    <xs:sequence>
-      <xs:group ref="cnxml:object"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="image">
-    <xs:sequence>
-      <xs:group ref="cnxml:image"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="audio">
-    <xs:sequence>
-      <xs:group ref="cnxml:audio"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="video">
-    <xs:sequence>
-      <xs:group ref="cnxml:video"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="java-applet">
-    <xs:sequence>
-      <xs:group ref="cnxml:java-applet"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="flash">
-    <xs:sequence>
-      <xs:group ref="cnxml:flash"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="labview">
-    <xs:sequence>
-      <xs:group ref="cnxml:labview"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="text">
-    <xs:sequence>
-      <xs:group ref="cnxml:text"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="download">
-    <xs:sequence>
-      <xs:group ref="cnxml:download"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="item">
-    <xs:sequence>
-      <xs:group ref="cnxml:item"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="tgroup">
-    <xs:sequence>
-      <xs:group ref="cnxml:tgroup"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="statement">
-    <xs:sequence>
-      <xs:group ref="cnxml:statement"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="proof">
-    <xs:sequence>
-      <xs:group ref="cnxml:proof"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="problem">
-    <xs:sequence>
-      <xs:group ref="cnxml:problem"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="solution">
-    <xs:sequence>
-      <xs:group ref="cnxml:solution"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="commentary">
-    <xs:sequence>
-      <xs:group ref="cnxml:commentary"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="honorific">
-    <xs:sequence>
-      <xs:group ref="mdml:honorific"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="firstname">
-    <xs:sequence>
-      <xs:group ref="mdml:firstname"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="othername">
-    <xs:sequence>
-      <xs:group ref="mdml:othername"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="surname">
-    <xs:sequence>
-      <xs:group ref="mdml:surname"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="lineage">
-    <xs:sequence>
-      <xs:group ref="mdml:lineage"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="fullname">
-    <xs:sequence>
-      <xs:group ref="mdml:fullname"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="email">
-    <xs:sequence>
-      <xs:group ref="mdml:email"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="shortname">
-    <xs:sequence>
-      <xs:group ref="mdml:shortname"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mi">
-    <xs:sequence>
-      <xs:element name="mi">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="decimalpoint">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*\S\s*"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="accent">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mn">
-    <xs:sequence>
-      <xs:element name="mn">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="accentunder">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="align">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mo">
-    <xs:sequence>
-      <xs:element name="mo">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="alignmentscope">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="bevelled">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="form">
+          <xs:attribute name="charalign">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="prefix"/>
-                <xs:enumeration value="infix"/>
-                <xs:enumeration value="postfix"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fence">
+          <xs:attribute name="charspacing">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="close"/>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="separator">
+          <xs:attribute name="columnlines">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="lspace"/>
-          <xs:attribute name="rspace"/>
-          <xs:attribute name="stretchy">
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="symmetric">
+          <xs:attribute name="depth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="maxsize"/>
-          <xs:attribute name="minsize"/>
-          <xs:attribute name="largeop">
+          <xs:attribute name="edge">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="movablelimits">
+          <xs:attribute name="equalcolumns">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="true"/>
@@ -1185,7 +932,7 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="accent">
+          <xs:attribute name="equalrows">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="true"/>
@@ -1193,643 +940,952 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtext">
-    <xs:sequence>
-      <xs:element name="mtext">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="fence">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="form">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="ms">
-    <xs:sequence>
-      <xs:element name="ms">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="frame">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="leftoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="length" type="xs:unsignedLong"/>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="longdivstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="lefttop"/>
+                <xs:enumeration value="stackedrightright"/>
+                <xs:enumeration value="mediumstackedrightright"/>
+                <xs:enumeration value="shortstackedrightright"/>
+                <xs:enumeration value="righttop"/>
+                <xs:enumeration value="left/\right"/>
+                <xs:enumeration value="left)(right"/>
+                <xs:enumeration value=":right=right"/>
+                <xs:enumeration value="stackedleftleft"/>
+                <xs:enumeration value="stackedleftlinetop"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
                 <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="lquote"/>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mslinethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="notation"/>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="open"/>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="rightoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
           <xs:attribute name="rquote"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:element name="mspace">
-    <xs:complexType>
-      <xs:attribute name="width"/>
-      <xs:attribute name="height"/>
-      <xs:attribute name="depth"/>
-      <xs:attribute name="linebreak"/>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:group name="mrow">
-    <xs:sequence>
-      <xs:element name="mrow">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mfrac">
-    <xs:sequence>
-      <xs:element name="mfrac">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separators"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="valign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
-          <xs:attribute name="bevelled"/>
-          <xs:attribute name="numalign"/>
-          <xs:attribute name="denomalign"/>
-          <xs:attribute name="linethickness"/>
+          <xs:attribute name="display">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="block"/>
+                <xs:enumeration value="inline"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxwidth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="overflow">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="linebreak"/>
+                <xs:enumeration value="scroll"/>
+                <xs:enumeration value="elide"/>
+                <xs:enumeration value="truncate"/>
+                <xs:enumeration value="scale"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg" type="xs:anyURI"/>
+          <xs:attribute name="altimg-width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg-height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg-valign">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="top"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="middle"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="bottom"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alttext"/>
+          <xs:attribute name="cdgroup" type="xs:anyURI"/>
+          <xs:attribute name="mode" type="xs:string"/>
+          <xs:attribute name="macros" type="xs:string"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="msqrt">
+  <xs:group name="quote_2">
     <xs:sequence>
-      <xs:element name="msqrt">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
+      <xs:group ref="cnxml:quote1"/>
     </xs:sequence>
   </xs:group>
-  <xs:group name="mroot">
+  <xs:group name="preformat_2">
     <xs:sequence>
-      <xs:element name="mroot">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
+      <xs:group ref="cnxml:preformat1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="list_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:list1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="label">
+    <xs:sequence>
+      <xs:group ref="cnxml:label"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="link">
+    <xs:sequence>
+      <xs:group ref="cnxml:link"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="parameters_3">
+    <xs:sequence>
+      <xs:group ref="collxml:parameters2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="title_4">
+    <xs:sequence>
+      <xs:group ref="mdml:title"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="person_2">
+    <xs:sequence>
+      <xs:group ref="mdml:person1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="organization_2">
+    <xs:sequence>
+      <xs:group ref="mdml:organization1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="role_2">
+    <xs:sequence>
+      <xs:group ref="mdml:role1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="keyword_2">
+    <xs:sequence>
+      <xs:group ref="mdml:keyword1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="subject_2">
+    <xs:sequence>
+      <xs:group ref="mdml:subject1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="education-level_2">
+    <xs:sequence>
+      <xs:group ref="mdml:education-level1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="para_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:para2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="emphasis_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:emphasis2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="term_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:term1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="foreign_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:foreign1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cite_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:cite1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="span_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:span1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sup_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:sup2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sub_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:sub2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="code_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:code2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="math_2">
+    <xs:sequence>
+      <xs:element name="math">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="menclose">
-    <xs:sequence>
-      <xs:element name="menclose">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="notation"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mstyle">
-    <xs:sequence>
-      <xs:element name="mstyle">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
             <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
+            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:maligngroup"/>
             <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
+          <xs:attribute name="mathcolor">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontstyle">
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptlevel" type="xs:integer"/>
+          <xs:attribute name="displaystyle">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="form">
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:attribute name="scriptminsize">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="prefix"/>
-                <xs:enumeration value="infix"/>
-                <xs:enumeration value="postfix"/>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="fence">
+          <xs:attribute name="infixlinebreakstyle">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="separator">
+          <xs:attribute name="decimalpoint">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*\S\s*"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="lspace"/>
-          <xs:attribute name="rspace"/>
-          <xs:attribute name="stretchy">
+          <xs:attribute name="accent">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="true"/>
@@ -1837,7 +1893,7 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="symmetric">
+          <xs:attribute name="accentunder">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="true"/>
@@ -1845,17 +1901,33 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="maxsize"/>
-          <xs:attribute name="minsize"/>
-          <xs:attribute name="largeop">
+          <xs:attribute name="align">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="movablelimits">
+          <xs:attribute name="alignmentscope">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="bevelled">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="true"/>
@@ -1863,84 +1935,164 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="accent">
+          <xs:attribute name="charalign">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="lquote"/>
-          <xs:attribute name="rquote"/>
-          <xs:attribute name="linethickness"/>
-          <xs:attribute name="scriptlevel"/>
-          <xs:attribute name="scriptsizemultiplier"/>
-          <xs:attribute name="scriptminsize"/>
-          <xs:attribute name="background"/>
-          <xs:attribute name="veryverythinmathspace"/>
-          <xs:attribute name="verythinmathspace"/>
-          <xs:attribute name="thinmathspace"/>
-          <xs:attribute name="mediummathspace"/>
-          <xs:attribute name="thickmathspace"/>
-          <xs:attribute name="verythickmathspace"/>
-          <xs:attribute name="veryverythickmathspace"/>
-          <xs:attribute name="open"/>
+          <xs:attribute name="charspacing">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
           <xs:attribute name="close"/>
-          <xs:attribute name="separators"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-          <xs:attribute name="accentunder">
+          <xs:attribute name="columnalign">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="align"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="columnwidth"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="alignmentscope"/>
-          <xs:attribute name="side">
+          <xs:attribute name="columnlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
             <xs:simpleType>
               <xs:restriction base="xs:token">
                 <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
                 <xs:enumeration value="right"/>
-                <xs:enumeration value="leftoverlap"/>
-                <xs:enumeration value="rightoverlap"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="rowspacing"/>
-          <xs:attribute name="columnspacing"/>
-          <xs:attribute name="rowlines"/>
-          <xs:attribute name="columnlines"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="frame">
+          <xs:attribute name="depth">
             <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="none"/>
-                <xs:enumeration value="solid"/>
-                <xs:enumeration value="dashed"/>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="framespacing"/>
-          <xs:attribute name="equalrows"/>
-          <xs:attribute name="equalcolumns"/>
-          <xs:attribute name="displaystyle">
+          <xs:attribute name="dir">
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="rowspan"/>
-          <xs:attribute name="columnspan"/>
           <xs:attribute name="edge">
             <xs:simpleType>
               <xs:restriction base="xs:token">
@@ -1949,10402 +2101,1118 @@
               </xs:restriction>
             </xs:simpleType>
           </xs:attribute>
-          <xs:attribute name="actiontype"/>
-          <xs:attribute name="selection"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="merror">
-    <xs:sequence>
-      <xs:element name="merror">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mpadded">
-    <xs:sequence>
-      <xs:element name="mpadded">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="height"/>
-          <xs:attribute name="depth"/>
-          <xs:attribute name="lspace"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mphantom">
-    <xs:sequence>
-      <xs:element name="mphantom">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mfenced">
-    <xs:sequence>
-      <xs:element name="mfenced">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="open"/>
-          <xs:attribute name="close"/>
-          <xs:attribute name="separators"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msub">
-    <xs:sequence>
-      <xs:element name="msub">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msup">
-    <xs:sequence>
-      <xs:element name="msup">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msubsup">
-    <xs:sequence>
-      <xs:element name="msubsup">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="munder">
-    <xs:sequence>
-      <xs:element name="munder">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accentunder">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mover">
-    <xs:sequence>
-      <xs:element name="mover">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="munderover">
-    <xs:sequence>
-      <xs:element name="munderover">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="accentunder">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mmultiscripts">
-    <xs:sequence>
-      <xs:element name="mmultiscripts">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtable">
-    <xs:sequence>
-      <xs:element name="mtable">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="align"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="columnwidth"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="alignmentscope"/>
-          <xs:attribute name="side">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="left"/>
-                <xs:enumeration value="right"/>
-                <xs:enumeration value="leftoverlap"/>
-                <xs:enumeration value="rightoverlap"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="rowspacing"/>
-          <xs:attribute name="columnspacing"/>
-          <xs:attribute name="rowlines"/>
-          <xs:attribute name="columnlines"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="frame">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="none"/>
-                <xs:enumeration value="solid"/>
-                <xs:enumeration value="dashed"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="framespacing"/>
-          <xs:attribute name="equalrows"/>
-          <xs:attribute name="equalcolumns"/>
-          <xs:attribute name="displaystyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtr">
-    <xs:sequence>
-      <xs:element name="mtr">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mlabeledtr">
-    <xs:sequence>
-      <xs:element name="mlabeledtr">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtd">
-    <xs:sequence>
-      <xs:element name="mtd">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="rowspan"/>
-          <xs:attribute name="columnspan"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:element name="maligngroup">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="groupalign"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="malignmark">
-    <xs:complexType>
-      <xs:attribute name="edge">
-        <xs:simpleType>
-          <xs:restriction base="xs:token">
-            <xs:enumeration value="left"/>
-            <xs:enumeration value="right"/>
-          </xs:restriction>
-        </xs:simpleType>
-      </xs:attribute>
-    </xs:complexType>
-  </xs:element>
-  <xs:group name="maction">
-    <xs:sequence>
-      <xs:element name="maction">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:group ref="mathml:declare"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="actiontype"/>
-          <xs:attribute name="selection"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="ci">
-    <xs:sequence>
-      <xs:element name="ci">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="csymbol">
-    <xs:sequence>
-      <xs:element name="csymbol">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="encoding"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="definitionURL"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cn">
-    <xs:sequence>
-      <xs:element name="cn">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="base"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:element name="integers">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="reals">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="rationals">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="naturalnumbers">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="complexes">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="primes">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="exponentiale">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="imaginaryi">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="notanumber">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="true">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="false">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="emptyset">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="pi">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="eulergamma">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="infinity">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:group name="apply">
-    <xs:sequence>
-      <xs:element name="apply">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="fn">
-    <xs:sequence>
-      <xs:element name="fn">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="lambda">
-    <xs:sequence>
-      <xs:element name="lambda">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
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-    <xs:sequence>
-      <xs:element name="reln">
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-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
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-            <xs:group ref="mathml:mlabeledtr"/>
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-            <xs:element ref="mathml:malignmark"/>
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-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
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-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
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-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
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-            <xs:group ref="mathml:momentabout"/>
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-            <xs:element ref="mathml:domain"/>
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-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
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-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
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-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
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-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
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-            <xs:element ref="mathml:int"/>
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-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
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-            <xs:element ref="mathml:exists"/>
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-            <xs:element ref="mathml:geq"/>
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-            <xs:element ref="mathml:approx"/>
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-            <xs:group ref="mathml:mi"/>
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-            <xs:group ref="mathml:ms"/>
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-            <xs:group ref="mathml:msqrt"/>
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-            <xs:group ref="mathml:matrix"/>
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-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
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-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
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-            <xs:group ref="mathml:domainofapplication"/>
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-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="order"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="matrix">
-    <xs:sequence>
-      <xs:element name="matrix">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="matrixrow">
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-      <xs:element name="matrixrow">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
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-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="set">
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-      <xs:element name="set">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
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-            <xs:group ref="mathml:apply"/>
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-            <xs:group ref="mathml:annotation-xml"/>
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-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
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-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
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-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
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-            <xs:group ref="mathml:msubsup"/>
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-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
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-            <xs:group ref="mathml:mlabeledtr"/>
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-            <xs:element ref="mathml:malignmark"/>
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-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
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-            <xs:element ref="mathml:cosh"/>
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-            <xs:element ref="mathml:arcsech"/>
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-            <xs:group ref="mathml:fn"/>
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-            <xs:element ref="mathml:plus"/>
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-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
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-            <xs:element ref="mathml:xor"/>
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-            <xs:element ref="mathml:grad"/>
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-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="declare">
-    <xs:sequence>
-      <xs:element name="declare">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="scope"/>
-          <xs:attribute name="nargs"/>
-          <xs:attribute name="occurrence"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="item_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:item1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="span_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:span3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="term_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:term3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cite_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:cite3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cite-title_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:cite-title1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="foreign_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:foreign3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="emphasis_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:emphasis4"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sub_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:sub4"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="sup_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:sup4"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="code_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:code3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="preformat_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:preformat3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="quote_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:quote3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="note_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:note1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="list_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:list3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="media_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:media1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="footnote_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:footnote1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="honorific_2">
-    <xs:sequence>
-      <xs:group ref="mdml:honorific1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="firstname_2">
-    <xs:sequence>
-      <xs:group ref="mdml:firstname1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="othername_2">
-    <xs:sequence>
-      <xs:group ref="mdml:othername1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="surname_2">
-    <xs:sequence>
-      <xs:group ref="mdml:surname1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="lineage_2">
-    <xs:sequence>
-      <xs:group ref="mdml:lineage1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="fullname_2">
-    <xs:sequence>
-      <xs:group ref="mdml:fullname1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="email_2">
-    <xs:sequence>
-      <xs:group ref="mdml:email1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="shortname_2">
-    <xs:sequence>
-      <xs:group ref="mdml:shortname1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mi_2">
-    <xs:sequence>
-      <xs:element name="mi">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mn_2">
-    <xs:sequence>
-      <xs:element name="mn">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mo_2">
-    <xs:sequence>
-      <xs:element name="mo">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="form">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="prefix"/>
-                <xs:enumeration value="infix"/>
-                <xs:enumeration value="postfix"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fence">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="separator">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="lspace"/>
-          <xs:attribute name="rspace"/>
-          <xs:attribute name="stretchy">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="symmetric">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="maxsize"/>
-          <xs:attribute name="minsize"/>
-          <xs:attribute name="largeop">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="movablelimits">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtext_2">
-    <xs:sequence>
-      <xs:element name="mtext">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="ms_2">
-    <xs:sequence>
-      <xs:element name="ms">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:malignmark"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="lquote"/>
-          <xs:attribute name="rquote"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mrow_2">
-    <xs:sequence>
-      <xs:element name="mrow">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mfrac_2">
-    <xs:sequence>
-      <xs:element name="mfrac">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="bevelled"/>
-          <xs:attribute name="numalign"/>
-          <xs:attribute name="denomalign"/>
-          <xs:attribute name="linethickness"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msqrt_2">
-    <xs:sequence>
-      <xs:element name="msqrt">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mroot_2">
-    <xs:sequence>
-      <xs:element name="mroot">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="menclose_2">
-    <xs:sequence>
-      <xs:element name="menclose">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="notation"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mstyle_2">
-    <xs:sequence>
-      <xs:element name="mstyle">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="fontsize"/>
-          <xs:attribute name="fontweight">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="bold"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontstyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="normal"/>
-                <xs:enumeration value="italic"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fontfamily"/>
-          <xs:attribute name="color"/>
-          <xs:attribute name="mathvariant"/>
-          <xs:attribute name="mathsize"/>
-          <xs:attribute name="mathcolor"/>
-          <xs:attribute name="mathbackground"/>
-          <xs:attribute name="form">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="prefix"/>
-                <xs:enumeration value="infix"/>
-                <xs:enumeration value="postfix"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="fence">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="separator">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="lspace"/>
-          <xs:attribute name="rspace"/>
-          <xs:attribute name="stretchy">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="symmetric">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="maxsize"/>
-          <xs:attribute name="minsize"/>
-          <xs:attribute name="largeop">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="movablelimits">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="lquote"/>
-          <xs:attribute name="rquote"/>
-          <xs:attribute name="linethickness"/>
-          <xs:attribute name="scriptlevel"/>
-          <xs:attribute name="scriptsizemultiplier"/>
-          <xs:attribute name="scriptminsize"/>
-          <xs:attribute name="background"/>
-          <xs:attribute name="veryverythinmathspace"/>
-          <xs:attribute name="verythinmathspace"/>
-          <xs:attribute name="thinmathspace"/>
-          <xs:attribute name="mediummathspace"/>
-          <xs:attribute name="thickmathspace"/>
-          <xs:attribute name="verythickmathspace"/>
-          <xs:attribute name="veryverythickmathspace"/>
-          <xs:attribute name="open"/>
-          <xs:attribute name="close"/>
-          <xs:attribute name="separators"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-          <xs:attribute name="accentunder">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="align"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="columnwidth"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="alignmentscope"/>
-          <xs:attribute name="side">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="left"/>
-                <xs:enumeration value="right"/>
-                <xs:enumeration value="leftoverlap"/>
-                <xs:enumeration value="rightoverlap"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="rowspacing"/>
-          <xs:attribute name="columnspacing"/>
-          <xs:attribute name="rowlines"/>
-          <xs:attribute name="columnlines"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="frame">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="none"/>
-                <xs:enumeration value="solid"/>
-                <xs:enumeration value="dashed"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="framespacing"/>
-          <xs:attribute name="equalrows"/>
-          <xs:attribute name="equalcolumns"/>
-          <xs:attribute name="displaystyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="rowspan"/>
-          <xs:attribute name="columnspan"/>
-          <xs:attribute name="edge">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="left"/>
-                <xs:enumeration value="right"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="actiontype"/>
-          <xs:attribute name="selection"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="merror_2">
-    <xs:sequence>
-      <xs:element name="merror">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mpadded_2">
-    <xs:sequence>
-      <xs:element name="mpadded">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="height"/>
-          <xs:attribute name="depth"/>
-          <xs:attribute name="lspace"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mphantom_2">
-    <xs:sequence>
-      <xs:element name="mphantom">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mfenced_2">
-    <xs:sequence>
-      <xs:element name="mfenced">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="open"/>
-          <xs:attribute name="close"/>
-          <xs:attribute name="separators"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msub_2">
-    <xs:sequence>
-      <xs:element name="msub">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msup_2">
-    <xs:sequence>
-      <xs:element name="msup">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="msubsup_2">
-    <xs:sequence>
-      <xs:element name="msubsup">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="munder_2">
-    <xs:sequence>
-      <xs:element name="munder">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accentunder">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mover_2">
-    <xs:sequence>
-      <xs:element name="mover">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="munderover_2">
-    <xs:sequence>
-      <xs:element name="munderover">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="accent">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="accentunder">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mmultiscripts_2">
-    <xs:sequence>
-      <xs:element name="mmultiscripts">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="subscriptshift"/>
-          <xs:attribute name="superscriptshift"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtable_2">
-    <xs:sequence>
-      <xs:element name="mtable">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="align"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="columnwidth"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="alignmentscope"/>
-          <xs:attribute name="side">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="left"/>
-                <xs:enumeration value="right"/>
-                <xs:enumeration value="leftoverlap"/>
-                <xs:enumeration value="rightoverlap"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="rowspacing"/>
-          <xs:attribute name="columnspacing"/>
-          <xs:attribute name="rowlines"/>
-          <xs:attribute name="columnlines"/>
-          <xs:attribute name="width"/>
-          <xs:attribute name="frame">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="none"/>
-                <xs:enumeration value="solid"/>
-                <xs:enumeration value="dashed"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-          <xs:attribute name="framespacing"/>
-          <xs:attribute name="equalrows"/>
-          <xs:attribute name="equalcolumns"/>
-          <xs:attribute name="displaystyle">
-            <xs:simpleType>
-              <xs:restriction base="xs:token">
-                <xs:enumeration value="true"/>
-                <xs:enumeration value="false"/>
-              </xs:restriction>
-            </xs:simpleType>
-          </xs:attribute>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtr_2">
-    <xs:sequence>
-      <xs:element name="mtr">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mlabeledtr_2">
-    <xs:sequence>
-      <xs:element name="mlabeledtr">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="mtd_2">
-    <xs:sequence>
-      <xs:element name="mtd">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="rowalign"/>
-          <xs:attribute name="columnalign"/>
-          <xs:attribute name="groupalign"/>
-          <xs:attribute name="rowspan"/>
-          <xs:attribute name="columnspan"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="maction_2">
-    <xs:sequence>
-      <xs:element name="maction">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:group ref="mathml:declare_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="actiontype"/>
-          <xs:attribute name="selection"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="ci_2">
-    <xs:sequence>
-      <xs:element name="ci">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="csymbol_2">
-    <xs:sequence>
-      <xs:element name="csymbol">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="encoding"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="definitionURL"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="cn_2">
-    <xs:sequence>
-      <xs:element name="cn">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="base"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="apply_2">
-    <xs:sequence>
-      <xs:element name="apply">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="fn_2">
-    <xs:sequence>
-      <xs:element name="fn">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="lambda_2">
-    <xs:sequence>
-      <xs:element name="lambda">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
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-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
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-      <xs:element name="reln">
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-          <xs:choice minOccurs="0" maxOccurs="unbounded">
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-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
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-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
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-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
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-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
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-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
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-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
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-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="closure"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="list_6">
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-      <xs:element name="list">
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-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
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-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
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-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
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-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
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-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
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-          <xs:attribute ref="xlink:href"/>
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-          <xs:attribute name="order"/>
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-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
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-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
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-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
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-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
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-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
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-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
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-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
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-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
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-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
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-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
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-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
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-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="matrixrow_2">
-    <xs:sequence>
-      <xs:element name="matrixrow">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
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-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
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-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
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-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
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-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
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-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
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-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
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-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
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-            <xs:element ref="mathml:image"/>
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-            <xs:element ref="mathml:factorial"/>
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-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
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-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
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-            <xs:element ref="mathml:in"/>
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-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
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-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
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-            <xs:group ref="mathml:mo_2"/>
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-            <xs:element ref="mathml:mspace"/>
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-            <xs:group ref="mathml:menclose_2"/>
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-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
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-            <xs:element ref="mathml:image"/>
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-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
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-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
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-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
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-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="piecewise_2">
-    <xs:sequence>
-      <xs:element name="piecewise">
-        <xs:complexType>
-          <xs:sequence>
-            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:piece_2"/>
-            <xs:group minOccurs="0" ref="mathml:otherwise_2"/>
-          </xs:sequence>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="semantics_2">
-    <xs:sequence>
-      <xs:element name="semantics">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="declare_2">
-    <xs:sequence>
-      <xs:element name="declare">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="type"/>
-          <xs:attribute name="scope"/>
-          <xs:attribute name="nargs"/>
-          <xs:attribute name="occurrence"/>
-          <xs:attribute name="definitionURL"/>
-          <xs:attribute name="encoding"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="item_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:item2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="thead">
-    <xs:sequence>
-      <xs:group ref="cnxml:thead"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="tfoot">
-    <xs:sequence>
-      <xs:group ref="cnxml:tfoot"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="tbody">
-    <xs:sequence>
-      <xs:group ref="cnxml:tbody"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:element name="mglyph">
-    <xs:complexType>
-      <xs:attribute name="alt"/>
-      <xs:attribute name="fontfamily"/>
-      <xs:attribute name="index"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="mprescripts">
-    <xs:complexType/>
-  </xs:element>
-  <xs:element name="none">
-    <xs:complexType/>
-  </xs:element>
-  <xs:element name="sep">
-    <xs:complexType/>
-  </xs:element>
-  <xs:group name="condition">
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-      <xs:element name="condition">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
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-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
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-      </xs:element>
-    </xs:sequence>
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-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="encoding"/>
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-            <xs:element ref="mathml:real"/>
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-            <xs:element ref="mathml:ceiling"/>
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-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:root"/>
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-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:and"/>
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-            <xs:element ref="mathml:grad"/>
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-            <xs:element ref="mathml:log"/>
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-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:ln"/>
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-            <xs:element ref="mathml:setdiff"/>
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-            <xs:element ref="mathml:sum"/>
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-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:vectorproduct"/>
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-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:selector"/>
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-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:gt"/>
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-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:in"/>
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-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:element ref="mathml:tendsto"/>
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-            <xs:group ref="mathml:cn"/>
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-            <xs:group ref="mathml:condition"/>
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-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:piece"/>
-            <xs:group ref="mathml:otherwise"/>
-            <xs:group ref="mathml:fn"/>
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-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
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-            <xs:group ref="mathml:ms"/>
-            <xs:group ref="mathml:math"/>
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-          <xs:attribute ref="xlink:type"/>
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-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="encoding"/>
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-      </xs:element>
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-            <xs:group ref="mathml:matrix"/>
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-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
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-            <xs:group ref="mathml:domainofapplication"/>
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-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
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-            <xs:element ref="mathml:conjugate"/>
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-            <xs:element ref="mathml:arg"/>
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-            <xs:element ref="mathml:imaginary"/>
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-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
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-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
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-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="uplimit">
-    <xs:sequence>
-      <xs:element name="uplimit">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
+          <xs:attribute name="equalcolumns">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalrows">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="form">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="frame">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="leftoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="length" type="xs:unsignedLong"/>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="longdivstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="lefttop"/>
+                <xs:enumeration value="stackedrightright"/>
+                <xs:enumeration value="mediumstackedrightright"/>
+                <xs:enumeration value="shortstackedrightright"/>
+                <xs:enumeration value="righttop"/>
+                <xs:enumeration value="left/\right"/>
+                <xs:enumeration value="left)(right"/>
+                <xs:enumeration value=":right=right"/>
+                <xs:enumeration value="stackedleftleft"/>
+                <xs:enumeration value="stackedleftlinetop"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mslinethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="notation"/>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="open"/>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="rightoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
+          <xs:attribute name="rquote"/>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separators"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="valign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="bvar">
-    <xs:sequence>
-      <xs:element name="bvar">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
+          <xs:attribute name="xref"/>
           <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="display">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="block"/>
+                <xs:enumeration value="inline"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxwidth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="overflow">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="linebreak"/>
+                <xs:enumeration value="scroll"/>
+                <xs:enumeration value="elide"/>
+                <xs:enumeration value="truncate"/>
+                <xs:enumeration value="scale"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg" type="xs:anyURI"/>
+          <xs:attribute name="altimg-width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg-height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="altimg-valign">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="top"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="middle"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="bottom"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alttext"/>
+          <xs:attribute name="cdgroup" type="xs:anyURI"/>
+          <xs:attribute name="mode" type="xs:string"/>
+          <xs:attribute name="macros" type="xs:string"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="degree">
+  <xs:group name="quote_3">
     <xs:sequence>
-      <xs:element name="degree">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
+      <xs:group ref="cnxml:quote2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="preformat_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:preformat2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="list_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:list2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="label_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:label1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="link_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:link1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="title_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:title1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="span_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:span2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="term_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:term2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cite_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:cite2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cite-title">
+    <xs:sequence>
+      <xs:group ref="cnxml:cite-title"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="foreign_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:foreign2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="emphasis_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:emphasis3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sub_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:sub3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sup_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:sup3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="footnote">
+    <xs:sequence>
+      <xs:group ref="cnxml:footnote"/>
     </xs:sequence>
   </xs:group>
-  <xs:group name="logbase">
+  <xs:group name="seealso">
     <xs:sequence>
-      <xs:element name="logbase">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
-            <xs:element ref="mathml:inverse"/>
-            <xs:element ref="mathml:ident"/>
-            <xs:element ref="mathml:domain"/>
-            <xs:element ref="mathml:codomain"/>
-            <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
-            <xs:element ref="mathml:arg"/>
-            <xs:element ref="mathml:real"/>
-            <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:floor"/>
-            <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
+      <xs:group ref="cnxml:seealso"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="meaning">
+    <xs:sequence>
+      <xs:group ref="cnxml:meaning"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="subfigure">
+    <xs:sequence>
+      <xs:group ref="cnxml:subfigure"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="caption">
+    <xs:sequence>
+      <xs:group ref="cnxml:caption"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="longdesc">
+    <xs:sequence>
+      <xs:group ref="cnxml:longdesc"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="object">
+    <xs:sequence>
+      <xs:group ref="cnxml:object"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="image">
+    <xs:sequence>
+      <xs:group ref="cnxml:image"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="audio">
+    <xs:sequence>
+      <xs:group ref="cnxml:audio"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="video">
+    <xs:sequence>
+      <xs:group ref="cnxml:video"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="java-applet">
+    <xs:sequence>
+      <xs:group ref="cnxml:java-applet"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="flash">
+    <xs:sequence>
+      <xs:group ref="cnxml:flash"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="labview">
+    <xs:sequence>
+      <xs:group ref="cnxml:labview"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="text">
+    <xs:sequence>
+      <xs:group ref="cnxml:text"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="download">
+    <xs:sequence>
+      <xs:group ref="cnxml:download"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="item">
+    <xs:sequence>
+      <xs:group ref="cnxml:item"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="tgroup">
+    <xs:sequence>
+      <xs:group ref="cnxml:tgroup"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="statement">
+    <xs:sequence>
+      <xs:group ref="cnxml:statement"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="proof">
+    <xs:sequence>
+      <xs:group ref="cnxml:proof"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="problem">
+    <xs:sequence>
+      <xs:group ref="cnxml:problem"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="solution">
+    <xs:sequence>
+      <xs:group ref="cnxml:solution"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="commentary">
+    <xs:sequence>
+      <xs:group ref="cnxml:commentary"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="honorific">
+    <xs:sequence>
+      <xs:group ref="mdml:honorific"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="firstname">
+    <xs:sequence>
+      <xs:group ref="mdml:firstname"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="othername">
+    <xs:sequence>
+      <xs:group ref="mdml:othername"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="surname">
+    <xs:sequence>
+      <xs:group ref="mdml:surname"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="lineage">
+    <xs:sequence>
+      <xs:group ref="mdml:lineage"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="fullname">
+    <xs:sequence>
+      <xs:group ref="mdml:fullname"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="email">
+    <xs:sequence>
+      <xs:group ref="mdml:email"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="shortname">
+    <xs:sequence>
+      <xs:group ref="mdml:shortname"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="semantics">
+    <xs:sequence>
+      <xs:element name="semantics">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cn">
+    <xs:sequence>
+      <xs:element name="cn">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:sep"/>
             <xs:group ref="mathml:mi"/>
             <xs:group ref="mathml:mn"/>
             <xs:group ref="mathml:mo"/>
             <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow"/>
             <xs:group ref="mathml:mfrac"/>
             <xs:group ref="mathml:msqrt"/>
             <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
             <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:attribute name="base"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="ci">
+    <xs:sequence>
+      <xs:element name="ci">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
             <xs:group ref="mathml:mstyle"/>
             <xs:group ref="mathml:merror"/>
             <xs:group ref="mathml:mpadded"/>
             <xs:group ref="mathml:mphantom"/>
             <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
             <xs:group ref="mathml:msub"/>
             <xs:group ref="mathml:msup"/>
             <xs:group ref="mathml:msubsup"/>
@@ -12353,86 +3221,1318 @@
             <xs:group ref="mathml:munderover"/>
             <xs:group ref="mathml:mmultiscripts"/>
             <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="csymbol">
+    <xs:sequence>
+      <xs:element name="csymbol">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
             <xs:element ref="mathml:maligngroup"/>
             <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
             <xs:group ref="mathml:maction"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
           <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="apply">
+    <xs:sequence>
+      <xs:element name="apply">
+        <xs:complexType>
+          <xs:choice>
+            <xs:choice maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:sequence>
+              <xs:choice>
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+              <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+              <xs:choice maxOccurs="unbounded">
+                <xs:choice minOccurs="0" maxOccurs="unbounded">
+                  <xs:group ref="mathml:domainofapplication"/>
+                  <xs:group ref="mathml:condition"/>
+                  <xs:group ref="mathml:interval"/>
+                  <xs:sequence>
+                    <xs:group ref="mathml:lowlimit"/>
+                    <xs:group minOccurs="0" ref="mathml:uplimit"/>
+                  </xs:sequence>
+                </xs:choice>
+                <xs:group ref="mathml:degree"/>
+                <xs:group ref="mathml:momentabout"/>
+                <xs:group ref="mathml:logbase"/>
+              </xs:choice>
+              <xs:choice minOccurs="0" maxOccurs="unbounded">
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+            </xs:sequence>
+          </xs:choice>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="momentabout">
+  <xs:group name="bind">
     <xs:sequence>
-      <xs:element name="momentabout">
+      <xs:element name="bind">
         <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
+          <xs:choice>
+            <xs:choice maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:sequence>
+              <xs:choice>
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+              <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+              <xs:choice maxOccurs="unbounded">
+                <xs:choice minOccurs="0" maxOccurs="unbounded">
+                  <xs:group ref="mathml:domainofapplication"/>
+                  <xs:group ref="mathml:condition"/>
+                  <xs:group ref="mathml:interval"/>
+                  <xs:sequence>
+                    <xs:group ref="mathml:lowlimit"/>
+                    <xs:group minOccurs="0" ref="mathml:uplimit"/>
+                  </xs:sequence>
+                </xs:choice>
+                <xs:group ref="mathml:degree"/>
+                <xs:group ref="mathml:momentabout"/>
+                <xs:group ref="mathml:logbase"/>
+              </xs:choice>
+              <xs:choice minOccurs="0" maxOccurs="unbounded">
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+            </xs:sequence>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="share">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="src" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:group name="cerror">
+    <xs:sequence>
+      <xs:element name="cerror">
+        <xs:complexType>
+          <xs:sequence>
             <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="cbytes">
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="xs:base64Binary">
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="cs">
+    <xs:complexType mixed="true">
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:group name="piecewise">
+    <xs:sequence>
+      <xs:element name="piecewise">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:piece"/>
+            <xs:group ref="mathml:otherwise"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="reln">
+    <xs:sequence>
+      <xs:element name="reln">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
             <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
             <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
             <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
+            <xs:group ref="mathml:fn"/>
             <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -12457,41 +4557,110 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
             <xs:element ref="mathml:determinant"/>
             <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:selector"/>
             <xs:element ref="mathml:vectorproduct"/>
             <xs:element ref="mathml:scalarproduct"/>
             <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="fn">
+    <xs:sequence>
+      <xs:element name="fn">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
             <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
             <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
             <xs:element ref="mathml:max"/>
             <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
             <xs:element ref="mathml:gcd"/>
             <xs:element ref="mathml:lcm"/>
             <xs:element ref="mathml:and"/>
             <xs:element ref="mathml:or"/>
             <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
             <xs:element ref="mathml:int"/>
             <xs:element ref="mathml:diff"/>
             <xs:element ref="mathml:partialdiff"/>
@@ -12499,132 +4668,173 @@
             <xs:element ref="mathml:grad"/>
             <xs:element ref="mathml:curl"/>
             <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:in"/>
             <xs:element ref="mathml:notin"/>
             <xs:element ref="mathml:notsubset"/>
             <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:setdiff"/>
             <xs:element ref="mathml:subset"/>
             <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="domainofapplication">
-    <xs:sequence>
-      <xs:element name="domainofapplication">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="declare">
+    <xs:sequence>
+      <xs:element name="declare">
+        <xs:complexType>
+          <xs:choice maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
             <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -12649,1514 +4859,29239 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
+          <xs:attribute name="type" type="xs:string"/>
+          <xs:attribute name="scope" type="xs:string"/>
+          <xs:attribute name="nargs" type="xs:nonNegativeInteger"/>
+          <xs:attribute name="occurrence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="function-model"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="interval">
+    <xs:sequence>
+      <xs:element name="interval">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
           <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="closure"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="inverse">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ident">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="domain">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="codomain">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="image">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ln">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="log">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="moment">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:group name="lambda">
+    <xs:sequence>
+      <xs:element name="lambda">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:element name="inverse">
+  <xs:element name="compose">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="quotient">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="ident">
+  <xs:element name="divide">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="minus">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="domain">
+  <xs:element name="power">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="rem">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="codomain">
+  <xs:element name="root">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="factorial">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="image">
+  <xs:element name="abs">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="conjugate">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="abs">
+  <xs:element name="arg">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="real">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="imaginary">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="conjugate">
+  <xs:element name="floor">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="ceiling">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
   <xs:element name="exp">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="max">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="factorial">
+  <xs:element name="min">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="plus">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="times">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arg">
+  <xs:element name="gcd">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="lcm">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="real">
+  <xs:element name="and">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="or">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="imaginary">
+  <xs:element name="xor">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="not">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="implies">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="floor">
+  <xs:element name="equivalent">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="forall">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="ceiling">
+  <xs:element name="exists">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="eq">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="not">
+  <xs:element name="gt">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="lt">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="ln">
+  <xs:element name="geq">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="leq">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sin">
+  <xs:element name="neq">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="approx">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="cos">
+  <xs:element name="factorof">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="tendsto">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:attribute name="type"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="int">
+    <xs:complexType>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="tan">
+  <xs:element name="diff">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="partialdiff">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="divergence">
+    <xs:complexType>
+      <xs:attribute name="id" type="xs:ID"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
+      <xs:attribute name="other"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="grad">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sec">
+  <xs:element name="curl">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="csc">
+  <xs:element name="laplacian">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="cot">
+  <xs:group name="set">
+    <xs:sequence>
+      <xs:element name="set">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="list_4">
+    <xs:sequence>
+      <xs:element name="list">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="order">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="numeric"/>
+                <xs:enumeration value="lexicographic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="union">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sinh">
+  <xs:element name="intersect">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="cosh">
+  <xs:element name="cartesianproduct">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="tanh">
+  <xs:element name="in">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sech">
+  <xs:element name="notin">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="csch">
+  <xs:element name="notsubset">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="coth">
+  <xs:element name="notprsubset">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arcsin">
+  <xs:element name="setdiff">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccos">
+  <xs:element name="subset">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arctan">
+  <xs:element name="prsubset">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccosh">
+  <xs:element name="card">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccot">
+  <xs:element name="sum">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccoth">
+  <xs:element name="product">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccsc">
+  <xs:element name="limit">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arccsch">
+  <xs:element name="sin">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arcsec">
+  <xs:element name="cos">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arcsech">
+  <xs:element name="tan">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arcsinh">
+  <xs:element name="sec">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="arctanh">
+  <xs:element name="csc">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="determinant">
+  <xs:element name="cot">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="transpose">
+  <xs:element name="sinh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="card">
+  <xs:element name="cosh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="quotient">
+  <xs:element name="tanh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="divide">
+  <xs:element name="sech">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="power">
+  <xs:element name="csch">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="rem">
+  <xs:element name="coth">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="implies">
+  <xs:element name="arcsin">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="vectorproduct">
+  <xs:element name="arccos">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="scalarproduct">
+  <xs:element name="arctan">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="outerproduct">
+  <xs:element name="arccosh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="setdiff">
+  <xs:element name="arccot">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="compose">
+  <xs:element name="arccoth">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="plus">
+  <xs:element name="arccsc">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="times">
+  <xs:element name="arccsch">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="max">
+  <xs:element name="arcsec">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="min">
+  <xs:element name="arcsech">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="gcd">
+  <xs:element name="arcsinh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="lcm">
+  <xs:element name="arctanh">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="and">
+  <xs:element name="mean">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="or">
+  <xs:element name="sdev">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="xor">
+  <xs:element name="variance">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="union">
+  <xs:element name="median">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="intersect">
+  <xs:element name="mode">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="cartesianproduct">
+  <xs:group name="vector">
+    <xs:sequence>
+      <xs:element name="vector">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="matrix">
+    <xs:sequence>
+      <xs:element name="matrix">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="matrixrow">
+    <xs:sequence>
+      <xs:element name="matrixrow">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication"/>
+              <xs:group ref="mathml:condition"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="determinant">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="mean">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sdev">
+  <xs:element name="transpose">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="variance">
+  <xs:element name="selector">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="median">
+  <xs:element name="vectorproduct">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="mode">
+  <xs:element name="scalarproduct">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="selector">
+  <xs:element name="outerproduct">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="root">
+  <xs:element name="integers">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="minus">
+  <xs:element name="reals">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="log">
+  <xs:element name="rationals">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="int">
+  <xs:element name="naturalnumbers">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="diff">
+  <xs:element name="complexes">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="partialdiff">
+  <xs:element name="primes">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="divergence">
+  <xs:element name="emptyset">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="grad">
+  <xs:element name="exponentiale">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="curl">
+  <xs:element name="imaginaryi">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="laplacian">
+  <xs:element name="notanumber">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="sum">
+  <xs:element name="true">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="product">
+  <xs:element name="false">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="limit">
+  <xs:element name="pi">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="moment">
+  <xs:element name="eulergamma">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="exists">
+  <xs:element name="infinity">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="xref"/>
+      <xs:attribute name="class" type="xs:NMTOKENS"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="forall">
+  <xs:group name="mi">
+    <xs:sequence>
+      <xs:element name="mi">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mn">
+    <xs:sequence>
+      <xs:element name="mn">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mo">
+    <xs:sequence>
+      <xs:element name="mo">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="form">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtext">
+    <xs:sequence>
+      <xs:element name="mtext">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="mspace">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="neq">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathvariant">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="bold"/>
+            <xs:enumeration value="italic"/>
+            <xs:enumeration value="bold-italic"/>
+            <xs:enumeration value="double-struck"/>
+            <xs:enumeration value="bold-fraktur"/>
+            <xs:enumeration value="script"/>
+            <xs:enumeration value="bold-script"/>
+            <xs:enumeration value="fraktur"/>
+            <xs:enumeration value="sans-serif"/>
+            <xs:enumeration value="bold-sans-serif"/>
+            <xs:enumeration value="sans-serif-italic"/>
+            <xs:enumeration value="sans-serif-bold-italic"/>
+            <xs:enumeration value="monospace"/>
+            <xs:enumeration value="initial"/>
+            <xs:enumeration value="tailed"/>
+            <xs:enumeration value="looped"/>
+            <xs:enumeration value="stretched"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathsize">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="small"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="big"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="dir">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="ltr"/>
+            <xs:enumeration value="rtl"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontfamily"/>
+      <xs:attribute name="fontweight">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="bold"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontstyle">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="italic"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontsize">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="color">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="background">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="width">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="height">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="depth">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="linebreak">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="auto"/>
+            <xs:enumeration value="newline"/>
+            <xs:enumeration value="nobreak"/>
+            <xs:enumeration value="goodbreak"/>
+            <xs:enumeration value="badbreak"/>
+            <xs:enumeration value="indentingnewline"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalign">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="left"/>
+            <xs:enumeration value="center"/>
+            <xs:enumeration value="right"/>
+            <xs:enumeration value="auto"/>
+            <xs:enumeration value="id"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshift">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indenttarget"/>
+      <xs:attribute name="indentalignfirst">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="left"/>
+            <xs:enumeration value="center"/>
+            <xs:enumeration value="right"/>
+            <xs:enumeration value="auto"/>
+            <xs:enumeration value="id"/>
+            <xs:enumeration value="indentalign"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftfirst">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="indentshift"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentalignlast">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="left"/>
+            <xs:enumeration value="center"/>
+            <xs:enumeration value="right"/>
+            <xs:enumeration value="auto"/>
+            <xs:enumeration value="id"/>
+            <xs:enumeration value="indentalign"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="indentshiftlast">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="indentshift"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="factorof">
+  <xs:group name="ms">
+    <xs:sequence>
+      <xs:element name="ms">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="rquote"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="maligngroup">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="in">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="groupalign">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="left"/>
+            <xs:enumeration value="center"/>
+            <xs:enumeration value="right"/>
+            <xs:enumeration value="decimalpoint"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="notin">
+  <xs:element name="malignmark">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="notsubset">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="edge">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="left"/>
+            <xs:enumeration value="right"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="notprsubset">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
+  <xs:group name="mrow">
+    <xs:sequence>
+      <xs:element name="mrow">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mfrac">
+    <xs:sequence>
+      <xs:element name="mfrac">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="bevelled">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msqrt">
+    <xs:sequence>
+      <xs:element name="msqrt">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mroot">
+    <xs:sequence>
+      <xs:element name="mroot">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mstyle">
+    <xs:sequence>
+      <xs:element name="mstyle">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptlevel" type="xs:integer"/>
+          <xs:attribute name="displaystyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:attribute name="scriptminsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="infixlinebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="decimalpoint">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*\S\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accentunder">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alignmentscope">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="bevelled">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charspacing">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="close"/>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="depth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="edge">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalcolumns">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalrows">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="form">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="frame">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="leftoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="length" type="xs:unsignedLong"/>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="longdivstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="lefttop"/>
+                <xs:enumeration value="stackedrightright"/>
+                <xs:enumeration value="mediumstackedrightright"/>
+                <xs:enumeration value="shortstackedrightright"/>
+                <xs:enumeration value="righttop"/>
+                <xs:enumeration value="left/\right"/>
+                <xs:enumeration value="left)(right"/>
+                <xs:enumeration value=":right=right"/>
+                <xs:enumeration value="stackedleftleft"/>
+                <xs:enumeration value="stackedleftlinetop"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mslinethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="notation"/>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="open"/>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="rightoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
+          <xs:attribute name="rquote"/>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separators"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="valign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="veryverythinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="verythinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="thinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mediummathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="thickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="verythickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="veryverythickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="merror">
+    <xs:sequence>
+      <xs:element name="merror">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mpadded">
+    <xs:sequence>
+      <xs:element name="mpadded">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="depth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="voffset">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mphantom">
+    <xs:sequence>
+      <xs:element name="mphantom">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mfenced">
+    <xs:sequence>
+      <xs:element name="mfenced">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="open"/>
+          <xs:attribute name="close"/>
+          <xs:attribute name="separators"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="menclose">
+    <xs:sequence>
+      <xs:element name="menclose">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="notation"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msub">
+    <xs:sequence>
+      <xs:element name="msub">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
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+              <xs:element ref="mathml:cs"/>
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+              <xs:element ref="mathml:ident"/>
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+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
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+              <xs:element ref="mathml:factorial"/>
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+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
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+              <xs:element ref="mathml:plus"/>
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+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
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+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
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+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
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+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
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+              <xs:element ref="mathml:csch"/>
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+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
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+              <xs:element ref="mathml:arccsch"/>
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+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
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+              <xs:element ref="mathml:transpose"/>
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+              <xs:element ref="mathml:scalarproduct"/>
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+              <xs:element ref="mathml:rationals"/>
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+              <xs:element ref="mathml:exponentiale"/>
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+              <xs:element ref="mathml:notanumber"/>
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+              <xs:group ref="mathml:mo"/>
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+              <xs:element ref="mathml:malignmark"/>
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+              <xs:group ref="mathml:merror"/>
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+              <xs:group ref="mathml:msubsup"/>
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+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
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+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
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+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
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+              <xs:element ref="mathml:power"/>
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+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
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+              <xs:element ref="mathml:conjugate"/>
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+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
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+              <xs:element ref="mathml:leq"/>
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+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
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+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
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+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
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+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
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+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
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+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
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+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
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+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
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+              <xs:element ref="mathml:primes"/>
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+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
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+          <xs:attribute name="href" type="xs:anyURI"/>
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+              <xs:element ref="mathml:root"/>
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+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msubsup">
+    <xs:sequence>
+      <xs:element name="msubsup">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="munder">
+    <xs:sequence>
+      <xs:element name="munder">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accentunder">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mover">
+    <xs:sequence>
+      <xs:element name="mover">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="munderover">
+    <xs:sequence>
+      <xs:element name="munderover">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accentunder">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mmultiscripts">
+    <xs:sequence>
+      <xs:element name="mmultiscripts">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:sequence minOccurs="0" maxOccurs="unbounded">
+              <xs:choice>
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
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+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+                <xs:group ref="mathml:mi"/>
+                <xs:group ref="mathml:mn"/>
+                <xs:group ref="mathml:mo"/>
+                <xs:group ref="mathml:mtext"/>
+                <xs:element ref="mathml:mspace"/>
+                <xs:group ref="mathml:ms"/>
+                <xs:element ref="mathml:maligngroup"/>
+                <xs:element ref="mathml:malignmark"/>
+                <xs:group ref="mathml:mrow"/>
+                <xs:group ref="mathml:mfrac"/>
+                <xs:group ref="mathml:msqrt"/>
+                <xs:group ref="mathml:mroot"/>
+                <xs:group ref="mathml:mstyle"/>
+                <xs:group ref="mathml:merror"/>
+                <xs:group ref="mathml:mpadded"/>
+                <xs:group ref="mathml:mphantom"/>
+                <xs:group ref="mathml:mfenced"/>
+                <xs:group ref="mathml:menclose"/>
+                <xs:group ref="mathml:msub"/>
+                <xs:group ref="mathml:msup"/>
+                <xs:group ref="mathml:msubsup"/>
+                <xs:group ref="mathml:munder"/>
+                <xs:group ref="mathml:mover"/>
+                <xs:group ref="mathml:munderover"/>
+                <xs:group ref="mathml:mmultiscripts"/>
+                <xs:group ref="mathml:mtable"/>
+                <xs:group ref="mathml:mstack"/>
+                <xs:group ref="mathml:mlongdiv"/>
+                <xs:group ref="mathml:maction"/>
+                <xs:group ref="mathml:semantics_2"/>
+                <xs:element ref="mathml:none"/>
+              </xs:choice>
+              <xs:choice>
+                <xs:group ref="mathml:semantics"/>
+                <xs:group ref="mathml:cn"/>
+                <xs:group ref="mathml:ci"/>
+                <xs:group ref="mathml:csymbol"/>
+                <xs:group ref="mathml:apply"/>
+                <xs:group ref="mathml:bind"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise"/>
+                <xs:group ref="mathml:reln"/>
+                <xs:group ref="mathml:fn"/>
+                <xs:group ref="mathml:declare"/>
+                <xs:group ref="mathml:interval"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set"/>
+                <xs:group ref="mathml:list_4"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector"/>
+                <xs:group ref="mathml:matrix"/>
+                <xs:group ref="mathml:matrixrow"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+                <xs:group ref="mathml:mi"/>
+                <xs:group ref="mathml:mn"/>
+                <xs:group ref="mathml:mo"/>
+                <xs:group ref="mathml:mtext"/>
+                <xs:element ref="mathml:mspace"/>
+                <xs:group ref="mathml:ms"/>
+                <xs:element ref="mathml:maligngroup"/>
+                <xs:element ref="mathml:malignmark"/>
+                <xs:group ref="mathml:mrow"/>
+                <xs:group ref="mathml:mfrac"/>
+                <xs:group ref="mathml:msqrt"/>
+                <xs:group ref="mathml:mroot"/>
+                <xs:group ref="mathml:mstyle"/>
+                <xs:group ref="mathml:merror"/>
+                <xs:group ref="mathml:mpadded"/>
+                <xs:group ref="mathml:mphantom"/>
+                <xs:group ref="mathml:mfenced"/>
+                <xs:group ref="mathml:menclose"/>
+                <xs:group ref="mathml:msub"/>
+                <xs:group ref="mathml:msup"/>
+                <xs:group ref="mathml:msubsup"/>
+                <xs:group ref="mathml:munder"/>
+                <xs:group ref="mathml:mover"/>
+                <xs:group ref="mathml:munderover"/>
+                <xs:group ref="mathml:mmultiscripts"/>
+                <xs:group ref="mathml:mtable"/>
+                <xs:group ref="mathml:mstack"/>
+                <xs:group ref="mathml:mlongdiv"/>
+                <xs:group ref="mathml:maction"/>
+                <xs:group ref="mathml:semantics_2"/>
+                <xs:element ref="mathml:none"/>
+              </xs:choice>
+            </xs:sequence>
+            <xs:sequence minOccurs="0">
+              <xs:element ref="mathml:mprescripts"/>
+              <xs:sequence minOccurs="0" maxOccurs="unbounded">
+                <xs:choice>
+                  <xs:group ref="mathml:semantics"/>
+                  <xs:group ref="mathml:cn"/>
+                  <xs:group ref="mathml:ci"/>
+                  <xs:group ref="mathml:csymbol"/>
+                  <xs:group ref="mathml:apply"/>
+                  <xs:group ref="mathml:bind"/>
+                  <xs:element ref="mathml:share"/>
+                  <xs:group ref="mathml:cerror"/>
+                  <xs:element ref="mathml:cbytes"/>
+                  <xs:element ref="mathml:cs"/>
+                  <xs:group ref="mathml:piecewise"/>
+                  <xs:group ref="mathml:reln"/>
+                  <xs:group ref="mathml:fn"/>
+                  <xs:group ref="mathml:declare"/>
+                  <xs:group ref="mathml:interval"/>
+                  <xs:element ref="mathml:inverse"/>
+                  <xs:element ref="mathml:ident"/>
+                  <xs:element ref="mathml:domain"/>
+                  <xs:element ref="mathml:codomain"/>
+                  <xs:element ref="mathml:image"/>
+                  <xs:element ref="mathml:ln"/>
+                  <xs:element ref="mathml:log"/>
+                  <xs:element ref="mathml:moment"/>
+                  <xs:group ref="mathml:lambda"/>
+                  <xs:element ref="mathml:compose"/>
+                  <xs:element ref="mathml:quotient"/>
+                  <xs:element ref="mathml:divide"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:power"/>
+                  <xs:element ref="mathml:rem"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:factorial"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:abs"/>
+                  <xs:element ref="mathml:conjugate"/>
+                  <xs:element ref="mathml:arg"/>
+                  <xs:element ref="mathml:real"/>
+                  <xs:element ref="mathml:imaginary"/>
+                  <xs:element ref="mathml:floor"/>
+                  <xs:element ref="mathml:ceiling"/>
+                  <xs:element ref="mathml:exp"/>
+                  <xs:element ref="mathml:max"/>
+                  <xs:element ref="mathml:min"/>
+                  <xs:element ref="mathml:plus"/>
+                  <xs:element ref="mathml:times"/>
+                  <xs:element ref="mathml:gcd"/>
+                  <xs:element ref="mathml:lcm"/>
+                  <xs:element ref="mathml:and"/>
+                  <xs:element ref="mathml:or"/>
+                  <xs:element ref="mathml:xor"/>
+                  <xs:element ref="mathml:not"/>
+                  <xs:element ref="mathml:implies"/>
+                  <xs:element ref="mathml:equivalent"/>
+                  <xs:element ref="mathml:forall"/>
+                  <xs:element ref="mathml:exists"/>
+                  <xs:element ref="mathml:eq"/>
+                  <xs:element ref="mathml:gt"/>
+                  <xs:element ref="mathml:lt"/>
+                  <xs:element ref="mathml:geq"/>
+                  <xs:element ref="mathml:leq"/>
+                  <xs:element ref="mathml:neq"/>
+                  <xs:element ref="mathml:approx"/>
+                  <xs:element ref="mathml:factorof"/>
+                  <xs:element ref="mathml:tendsto"/>
+                  <xs:element ref="mathml:int"/>
+                  <xs:element ref="mathml:diff"/>
+                  <xs:element ref="mathml:partialdiff"/>
+                  <xs:element ref="mathml:divergence"/>
+                  <xs:element ref="mathml:grad"/>
+                  <xs:element ref="mathml:curl"/>
+                  <xs:element ref="mathml:laplacian"/>
+                  <xs:group ref="mathml:set"/>
+                  <xs:group ref="mathml:list_4"/>
+                  <xs:element ref="mathml:union"/>
+                  <xs:element ref="mathml:intersect"/>
+                  <xs:element ref="mathml:cartesianproduct"/>
+                  <xs:element ref="mathml:in"/>
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+                  <xs:element ref="mathml:card"/>
+                  <xs:element ref="mathml:sum"/>
+                  <xs:element ref="mathml:product"/>
+                  <xs:element ref="mathml:limit"/>
+                  <xs:element ref="mathml:sin"/>
+                  <xs:element ref="mathml:cos"/>
+                  <xs:element ref="mathml:tan"/>
+                  <xs:element ref="mathml:sec"/>
+                  <xs:element ref="mathml:csc"/>
+                  <xs:element ref="mathml:cot"/>
+                  <xs:element ref="mathml:sinh"/>
+                  <xs:element ref="mathml:cosh"/>
+                  <xs:element ref="mathml:tanh"/>
+                  <xs:element ref="mathml:sech"/>
+                  <xs:element ref="mathml:csch"/>
+                  <xs:element ref="mathml:coth"/>
+                  <xs:element ref="mathml:arcsin"/>
+                  <xs:element ref="mathml:arccos"/>
+                  <xs:element ref="mathml:arctan"/>
+                  <xs:element ref="mathml:arccosh"/>
+                  <xs:element ref="mathml:arccot"/>
+                  <xs:element ref="mathml:arccoth"/>
+                  <xs:element ref="mathml:arccsc"/>
+                  <xs:element ref="mathml:arccsch"/>
+                  <xs:element ref="mathml:arcsec"/>
+                  <xs:element ref="mathml:arcsech"/>
+                  <xs:element ref="mathml:arcsinh"/>
+                  <xs:element ref="mathml:arctanh"/>
+                  <xs:element ref="mathml:mean"/>
+                  <xs:element ref="mathml:sdev"/>
+                  <xs:element ref="mathml:variance"/>
+                  <xs:element ref="mathml:median"/>
+                  <xs:element ref="mathml:mode"/>
+                  <xs:group ref="mathml:vector"/>
+                  <xs:group ref="mathml:matrix"/>
+                  <xs:group ref="mathml:matrixrow"/>
+                  <xs:element ref="mathml:determinant"/>
+                  <xs:element ref="mathml:transpose"/>
+                  <xs:element ref="mathml:selector"/>
+                  <xs:element ref="mathml:vectorproduct"/>
+                  <xs:element ref="mathml:scalarproduct"/>
+                  <xs:element ref="mathml:outerproduct"/>
+                  <xs:element ref="mathml:integers"/>
+                  <xs:element ref="mathml:reals"/>
+                  <xs:element ref="mathml:rationals"/>
+                  <xs:element ref="mathml:naturalnumbers"/>
+                  <xs:element ref="mathml:complexes"/>
+                  <xs:element ref="mathml:primes"/>
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+                  <xs:element ref="mathml:exponentiale"/>
+                  <xs:element ref="mathml:imaginaryi"/>
+                  <xs:element ref="mathml:notanumber"/>
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+                  <xs:element ref="mathml:eulergamma"/>
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+                  <xs:group ref="mathml:mi"/>
+                  <xs:group ref="mathml:mn"/>
+                  <xs:group ref="mathml:mo"/>
+                  <xs:group ref="mathml:mtext"/>
+                  <xs:element ref="mathml:mspace"/>
+                  <xs:group ref="mathml:ms"/>
+                  <xs:element ref="mathml:maligngroup"/>
+                  <xs:element ref="mathml:malignmark"/>
+                  <xs:group ref="mathml:mrow"/>
+                  <xs:group ref="mathml:mfrac"/>
+                  <xs:group ref="mathml:msqrt"/>
+                  <xs:group ref="mathml:mroot"/>
+                  <xs:group ref="mathml:mstyle"/>
+                  <xs:group ref="mathml:merror"/>
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+                  <xs:group ref="mathml:mover"/>
+                  <xs:group ref="mathml:munderover"/>
+                  <xs:group ref="mathml:mmultiscripts"/>
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+                  <xs:group ref="mathml:mstack"/>
+                  <xs:group ref="mathml:mlongdiv"/>
+                  <xs:group ref="mathml:maction"/>
+                  <xs:group ref="mathml:semantics_2"/>
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+                  <xs:group ref="mathml:cn"/>
+                  <xs:group ref="mathml:ci"/>
+                  <xs:group ref="mathml:csymbol"/>
+                  <xs:group ref="mathml:apply"/>
+                  <xs:group ref="mathml:bind"/>
+                  <xs:element ref="mathml:share"/>
+                  <xs:group ref="mathml:cerror"/>
+                  <xs:element ref="mathml:cbytes"/>
+                  <xs:element ref="mathml:cs"/>
+                  <xs:group ref="mathml:piecewise"/>
+                  <xs:group ref="mathml:reln"/>
+                  <xs:group ref="mathml:fn"/>
+                  <xs:group ref="mathml:declare"/>
+                  <xs:group ref="mathml:interval"/>
+                  <xs:element ref="mathml:inverse"/>
+                  <xs:element ref="mathml:ident"/>
+                  <xs:element ref="mathml:domain"/>
+                  <xs:element ref="mathml:codomain"/>
+                  <xs:element ref="mathml:image"/>
+                  <xs:element ref="mathml:ln"/>
+                  <xs:element ref="mathml:log"/>
+                  <xs:element ref="mathml:moment"/>
+                  <xs:group ref="mathml:lambda"/>
+                  <xs:element ref="mathml:compose"/>
+                  <xs:element ref="mathml:quotient"/>
+                  <xs:element ref="mathml:divide"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:power"/>
+                  <xs:element ref="mathml:rem"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:factorial"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:abs"/>
+                  <xs:element ref="mathml:conjugate"/>
+                  <xs:element ref="mathml:arg"/>
+                  <xs:element ref="mathml:real"/>
+                  <xs:element ref="mathml:imaginary"/>
+                  <xs:element ref="mathml:floor"/>
+                  <xs:element ref="mathml:ceiling"/>
+                  <xs:element ref="mathml:exp"/>
+                  <xs:element ref="mathml:max"/>
+                  <xs:element ref="mathml:min"/>
+                  <xs:element ref="mathml:plus"/>
+                  <xs:element ref="mathml:times"/>
+                  <xs:element ref="mathml:gcd"/>
+                  <xs:element ref="mathml:lcm"/>
+                  <xs:element ref="mathml:and"/>
+                  <xs:element ref="mathml:or"/>
+                  <xs:element ref="mathml:xor"/>
+                  <xs:element ref="mathml:not"/>
+                  <xs:element ref="mathml:implies"/>
+                  <xs:element ref="mathml:equivalent"/>
+                  <xs:element ref="mathml:forall"/>
+                  <xs:element ref="mathml:exists"/>
+                  <xs:element ref="mathml:eq"/>
+                  <xs:element ref="mathml:gt"/>
+                  <xs:element ref="mathml:lt"/>
+                  <xs:element ref="mathml:geq"/>
+                  <xs:element ref="mathml:leq"/>
+                  <xs:element ref="mathml:neq"/>
+                  <xs:element ref="mathml:approx"/>
+                  <xs:element ref="mathml:factorof"/>
+                  <xs:element ref="mathml:tendsto"/>
+                  <xs:element ref="mathml:int"/>
+                  <xs:element ref="mathml:diff"/>
+                  <xs:element ref="mathml:partialdiff"/>
+                  <xs:element ref="mathml:divergence"/>
+                  <xs:element ref="mathml:grad"/>
+                  <xs:element ref="mathml:curl"/>
+                  <xs:element ref="mathml:laplacian"/>
+                  <xs:group ref="mathml:set"/>
+                  <xs:group ref="mathml:list_4"/>
+                  <xs:element ref="mathml:union"/>
+                  <xs:element ref="mathml:intersect"/>
+                  <xs:element ref="mathml:cartesianproduct"/>
+                  <xs:element ref="mathml:in"/>
+                  <xs:element ref="mathml:notin"/>
+                  <xs:element ref="mathml:notsubset"/>
+                  <xs:element ref="mathml:notprsubset"/>
+                  <xs:element ref="mathml:setdiff"/>
+                  <xs:element ref="mathml:subset"/>
+                  <xs:element ref="mathml:prsubset"/>
+                  <xs:element ref="mathml:card"/>
+                  <xs:element ref="mathml:sum"/>
+                  <xs:element ref="mathml:product"/>
+                  <xs:element ref="mathml:limit"/>
+                  <xs:element ref="mathml:sin"/>
+                  <xs:element ref="mathml:cos"/>
+                  <xs:element ref="mathml:tan"/>
+                  <xs:element ref="mathml:sec"/>
+                  <xs:element ref="mathml:csc"/>
+                  <xs:element ref="mathml:cot"/>
+                  <xs:element ref="mathml:sinh"/>
+                  <xs:element ref="mathml:cosh"/>
+                  <xs:element ref="mathml:tanh"/>
+                  <xs:element ref="mathml:sech"/>
+                  <xs:element ref="mathml:csch"/>
+                  <xs:element ref="mathml:coth"/>
+                  <xs:element ref="mathml:arcsin"/>
+                  <xs:element ref="mathml:arccos"/>
+                  <xs:element ref="mathml:arctan"/>
+                  <xs:element ref="mathml:arccosh"/>
+                  <xs:element ref="mathml:arccot"/>
+                  <xs:element ref="mathml:arccoth"/>
+                  <xs:element ref="mathml:arccsc"/>
+                  <xs:element ref="mathml:arccsch"/>
+                  <xs:element ref="mathml:arcsec"/>
+                  <xs:element ref="mathml:arcsech"/>
+                  <xs:element ref="mathml:arcsinh"/>
+                  <xs:element ref="mathml:arctanh"/>
+                  <xs:element ref="mathml:mean"/>
+                  <xs:element ref="mathml:sdev"/>
+                  <xs:element ref="mathml:variance"/>
+                  <xs:element ref="mathml:median"/>
+                  <xs:element ref="mathml:mode"/>
+                  <xs:group ref="mathml:vector"/>
+                  <xs:group ref="mathml:matrix"/>
+                  <xs:group ref="mathml:matrixrow"/>
+                  <xs:element ref="mathml:determinant"/>
+                  <xs:element ref="mathml:transpose"/>
+                  <xs:element ref="mathml:selector"/>
+                  <xs:element ref="mathml:vectorproduct"/>
+                  <xs:element ref="mathml:scalarproduct"/>
+                  <xs:element ref="mathml:outerproduct"/>
+                  <xs:element ref="mathml:integers"/>
+                  <xs:element ref="mathml:reals"/>
+                  <xs:element ref="mathml:rationals"/>
+                  <xs:element ref="mathml:naturalnumbers"/>
+                  <xs:element ref="mathml:complexes"/>
+                  <xs:element ref="mathml:primes"/>
+                  <xs:element ref="mathml:emptyset"/>
+                  <xs:element ref="mathml:exponentiale"/>
+                  <xs:element ref="mathml:imaginaryi"/>
+                  <xs:element ref="mathml:notanumber"/>
+                  <xs:element ref="mathml:true"/>
+                  <xs:element ref="mathml:false"/>
+                  <xs:element ref="mathml:pi"/>
+                  <xs:element ref="mathml:eulergamma"/>
+                  <xs:element ref="mathml:infinity"/>
+                  <xs:group ref="mathml:mi"/>
+                  <xs:group ref="mathml:mn"/>
+                  <xs:group ref="mathml:mo"/>
+                  <xs:group ref="mathml:mtext"/>
+                  <xs:element ref="mathml:mspace"/>
+                  <xs:group ref="mathml:ms"/>
+                  <xs:element ref="mathml:maligngroup"/>
+                  <xs:element ref="mathml:malignmark"/>
+                  <xs:group ref="mathml:mrow"/>
+                  <xs:group ref="mathml:mfrac"/>
+                  <xs:group ref="mathml:msqrt"/>
+                  <xs:group ref="mathml:mroot"/>
+                  <xs:group ref="mathml:mstyle"/>
+                  <xs:group ref="mathml:merror"/>
+                  <xs:group ref="mathml:mpadded"/>
+                  <xs:group ref="mathml:mphantom"/>
+                  <xs:group ref="mathml:mfenced"/>
+                  <xs:group ref="mathml:menclose"/>
+                  <xs:group ref="mathml:msub"/>
+                  <xs:group ref="mathml:msup"/>
+                  <xs:group ref="mathml:msubsup"/>
+                  <xs:group ref="mathml:munder"/>
+                  <xs:group ref="mathml:mover"/>
+                  <xs:group ref="mathml:munderover"/>
+                  <xs:group ref="mathml:mmultiscripts"/>
+                  <xs:group ref="mathml:mtable"/>
+                  <xs:group ref="mathml:mstack"/>
+                  <xs:group ref="mathml:mlongdiv"/>
+                  <xs:group ref="mathml:maction"/>
+                  <xs:group ref="mathml:semantics_2"/>
+                  <xs:element ref="mathml:none"/>
+                </xs:choice>
+              </xs:sequence>
+            </xs:sequence>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtable">
+    <xs:sequence>
+      <xs:element name="mtable">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:mtr"/>
+            <xs:group ref="mathml:mlabeledtr"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alignmentscope">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="auto"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="frame">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalrows">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalcolumns">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="displaystyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mstack">
+    <xs:sequence>
+      <xs:element name="mstack">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:group ref="mathml:mscarries"/>
+            <xs:element ref="mathml:msline"/>
+            <xs:group ref="mathml:msrow"/>
+            <xs:group ref="mathml:msgroup"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charspacing">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mlongdiv">
+    <xs:sequence>
+      <xs:element name="mlongdiv">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+              <xs:group ref="mathml:mscarries"/>
+              <xs:element ref="mathml:msline"/>
+              <xs:group ref="mathml:msrow"/>
+              <xs:group ref="mathml:msgroup"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+              <xs:group ref="mathml:mscarries"/>
+              <xs:element ref="mathml:msline"/>
+              <xs:group ref="mathml:msrow"/>
+              <xs:group ref="mathml:msgroup"/>
+            </xs:choice>
+            <xs:choice maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+              <xs:group ref="mathml:mscarries"/>
+              <xs:element ref="mathml:msline"/>
+              <xs:group ref="mathml:msrow"/>
+              <xs:group ref="mathml:msgroup"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:attribute name="longdivstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="lefttop"/>
+                <xs:enumeration value="stackedrightright"/>
+                <xs:enumeration value="mediumstackedrightright"/>
+                <xs:enumeration value="shortstackedrightright"/>
+                <xs:enumeration value="righttop"/>
+                <xs:enumeration value="left/\right"/>
+                <xs:enumeration value="left)(right"/>
+                <xs:enumeration value=":right=right"/>
+                <xs:enumeration value="stackedleftleft"/>
+                <xs:enumeration value="stackedleftlinetop"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="maction">
+    <xs:sequence>
+      <xs:element name="maction">
+        <xs:complexType>
+          <xs:choice maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="actiontype" use="required"/>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="semantics_2">
+    <xs:sequence>
+      <xs:element name="semantics">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="item_3">
+    <xs:sequence>
+      <xs:group ref="cnxml:item1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="span_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:span3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="term_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:term3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cite_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:cite3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cite-title_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:cite-title1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="foreign_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:foreign3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="emphasis_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:emphasis4"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sub_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:sub4"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="sup_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:sup4"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="code_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:code3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="preformat_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:preformat3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="quote_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:quote3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="note_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:note1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="list_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:list3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="media_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:media1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="footnote_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:footnote1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="honorific_2">
+    <xs:sequence>
+      <xs:group ref="mdml:honorific1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="firstname_2">
+    <xs:sequence>
+      <xs:group ref="mdml:firstname1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="othername_2">
+    <xs:sequence>
+      <xs:group ref="mdml:othername1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="surname_2">
+    <xs:sequence>
+      <xs:group ref="mdml:surname1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="lineage_2">
+    <xs:sequence>
+      <xs:group ref="mdml:lineage1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="fullname_2">
+    <xs:sequence>
+      <xs:group ref="mdml:fullname1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="email_2">
+    <xs:sequence>
+      <xs:group ref="mdml:email1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="shortname_2">
+    <xs:sequence>
+      <xs:group ref="mdml:shortname1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="semantics_3">
+    <xs:sequence>
+      <xs:element name="semantics">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi"/>
+              <xs:group ref="mathml:mn"/>
+              <xs:group ref="mathml:mo"/>
+              <xs:group ref="mathml:mtext"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow"/>
+              <xs:group ref="mathml:mfrac"/>
+              <xs:group ref="mathml:msqrt"/>
+              <xs:group ref="mathml:mroot"/>
+              <xs:group ref="mathml:mstyle"/>
+              <xs:group ref="mathml:merror"/>
+              <xs:group ref="mathml:mpadded"/>
+              <xs:group ref="mathml:mphantom"/>
+              <xs:group ref="mathml:mfenced"/>
+              <xs:group ref="mathml:menclose"/>
+              <xs:group ref="mathml:msub"/>
+              <xs:group ref="mathml:msup"/>
+              <xs:group ref="mathml:msubsup"/>
+              <xs:group ref="mathml:munder"/>
+              <xs:group ref="mathml:mover"/>
+              <xs:group ref="mathml:munderover"/>
+              <xs:group ref="mathml:mmultiscripts"/>
+              <xs:group ref="mathml:mtable"/>
+              <xs:group ref="mathml:mstack"/>
+              <xs:group ref="mathml:mlongdiv"/>
+              <xs:group ref="mathml:maction"/>
+              <xs:group ref="mathml:semantics_2"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cn_2">
+    <xs:sequence>
+      <xs:element name="cn">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:sep"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:attribute name="base"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="ci_2">
+    <xs:sequence>
+      <xs:element name="ci">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="csymbol_2">
+    <xs:sequence>
+      <xs:element name="csymbol">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="apply_2">
+    <xs:sequence>
+      <xs:element name="apply">
+        <xs:complexType>
+          <xs:choice>
+            <xs:choice maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:sequence>
+              <xs:choice>
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+              <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+              <xs:choice maxOccurs="unbounded">
+                <xs:choice minOccurs="0" maxOccurs="unbounded">
+                  <xs:group ref="mathml:domainofapplication_2"/>
+                  <xs:group ref="mathml:condition_2"/>
+                  <xs:group ref="mathml:interval_2"/>
+                  <xs:sequence>
+                    <xs:group ref="mathml:lowlimit_2"/>
+                    <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+                  </xs:sequence>
+                </xs:choice>
+                <xs:group ref="mathml:degree_2"/>
+                <xs:group ref="mathml:momentabout_2"/>
+                <xs:group ref="mathml:logbase_2"/>
+              </xs:choice>
+              <xs:choice minOccurs="0" maxOccurs="unbounded">
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+            </xs:sequence>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="bind_2">
+    <xs:sequence>
+      <xs:element name="bind">
+        <xs:complexType>
+          <xs:choice>
+            <xs:choice maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:sequence>
+              <xs:choice>
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+              <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+              <xs:choice maxOccurs="unbounded">
+                <xs:choice minOccurs="0" maxOccurs="unbounded">
+                  <xs:group ref="mathml:domainofapplication_2"/>
+                  <xs:group ref="mathml:condition_2"/>
+                  <xs:group ref="mathml:interval_2"/>
+                  <xs:sequence>
+                    <xs:group ref="mathml:lowlimit_2"/>
+                    <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+                  </xs:sequence>
+                </xs:choice>
+                <xs:group ref="mathml:degree_2"/>
+                <xs:group ref="mathml:momentabout_2"/>
+                <xs:group ref="mathml:logbase_2"/>
+              </xs:choice>
+              <xs:choice minOccurs="0" maxOccurs="unbounded">
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+              </xs:choice>
+            </xs:sequence>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="cerror_2">
+    <xs:sequence>
+      <xs:element name="cerror">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="piecewise_2">
+    <xs:sequence>
+      <xs:element name="piecewise">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:piece_2"/>
+            <xs:group ref="mathml:otherwise_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="reln_2">
+    <xs:sequence>
+      <xs:element name="reln">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="fn_2">
+    <xs:sequence>
+      <xs:element name="fn">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="declare_2">
+    <xs:sequence>
+      <xs:element name="declare">
+        <xs:complexType>
+          <xs:choice maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+          <xs:attribute name="type" type="xs:string"/>
+          <xs:attribute name="scope" type="xs:string"/>
+          <xs:attribute name="nargs" type="xs:nonNegativeInteger"/>
+          <xs:attribute name="occurrence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="function-model"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="interval_2">
+    <xs:sequence>
+      <xs:element name="interval">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="closure"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="lambda_2">
+    <xs:sequence>
+      <xs:element name="lambda">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="set_2">
+    <xs:sequence>
+      <xs:element name="set">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="type"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="list_6">
+    <xs:sequence>
+      <xs:element name="list">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="order">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="numeric"/>
+                <xs:enumeration value="lexicographic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="vector_2">
+    <xs:sequence>
+      <xs:element name="vector">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="matrix_2">
+    <xs:sequence>
+      <xs:element name="matrix">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="matrixrow_2">
+    <xs:sequence>
+      <xs:element name="matrixrow">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:bvar_2"/>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:domainofapplication_2"/>
+              <xs:group ref="mathml:condition_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:sequence>
+                <xs:group ref="mathml:lowlimit_2"/>
+                <xs:group minOccurs="0" ref="mathml:uplimit_2"/>
+              </xs:sequence>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mi_2">
+    <xs:sequence>
+      <xs:element name="mi">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mn_2">
+    <xs:sequence>
+      <xs:element name="mn">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mo_2">
+    <xs:sequence>
+      <xs:element name="mo">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="form">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtext_2">
+    <xs:sequence>
+      <xs:element name="mtext">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="ms_2">
+    <xs:sequence>
+      <xs:element name="ms">
+        <xs:complexType mixed="true">
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:element ref="mathml:mglyph"/>
+            <xs:element ref="mathml:malignmark"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="rquote"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mrow_2">
+    <xs:sequence>
+      <xs:element name="mrow">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mfrac_2">
+    <xs:sequence>
+      <xs:element name="mfrac">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="bevelled">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msqrt_2">
+    <xs:sequence>
+      <xs:element name="msqrt">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
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+                  </xs:restriction>
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+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
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+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mroot_2">
+    <xs:sequence>
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+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
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+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
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+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mstyle_2">
+    <xs:sequence>
+      <xs:element name="mstyle">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptlevel" type="xs:integer"/>
+          <xs:attribute name="displaystyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:attribute name="scriptminsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="infixlinebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="decimalpoint">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*\S\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accentunder">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alignmentscope">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="bevelled">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charspacing">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="close"/>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="denomalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="depth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="dir">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="ltr"/>
+                <xs:enumeration value="rtl"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="edge">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalcolumns">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalrows">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fence">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="form">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="prefix"/>
+                <xs:enumeration value="infix"/>
+                <xs:enumeration value="postfix"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="frame">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignfirst">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentalignlast">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="id"/>
+                <xs:enumeration value="indentalign"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftfirst">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indentshiftlast">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="indentshift"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="indenttarget"/>
+          <xs:attribute name="largeop">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="leftoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="length" type="xs:unsignedLong"/>
+          <xs:attribute name="linebreak">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="auto"/>
+                <xs:enumeration value="newline"/>
+                <xs:enumeration value="nobreak"/>
+                <xs:enumeration value="goodbreak"/>
+                <xs:enumeration value="badbreak"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linebreakmultchar"/>
+          <xs:attribute name="linebreakstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="before"/>
+                <xs:enumeration value="after"/>
+                <xs:enumeration value="duplicate"/>
+                <xs:enumeration value="infixlinebreakstyle"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lineleading">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="linethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="longdivstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="lefttop"/>
+                <xs:enumeration value="stackedrightright"/>
+                <xs:enumeration value="mediumstackedrightright"/>
+                <xs:enumeration value="shortstackedrightright"/>
+                <xs:enumeration value="righttop"/>
+                <xs:enumeration value="left/\right"/>
+                <xs:enumeration value="left)(right"/>
+                <xs:enumeration value=":right=right"/>
+                <xs:enumeration value="stackedleftleft"/>
+                <xs:enumeration value="stackedleftlinetop"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lquote"/>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="small"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="normal"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="big"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathvariant">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+                <xs:enumeration value="italic"/>
+                <xs:enumeration value="bold-italic"/>
+                <xs:enumeration value="double-struck"/>
+                <xs:enumeration value="bold-fraktur"/>
+                <xs:enumeration value="script"/>
+                <xs:enumeration value="bold-script"/>
+                <xs:enumeration value="fraktur"/>
+                <xs:enumeration value="sans-serif"/>
+                <xs:enumeration value="bold-sans-serif"/>
+                <xs:enumeration value="sans-serif-italic"/>
+                <xs:enumeration value="sans-serif-bold-italic"/>
+                <xs:enumeration value="monospace"/>
+                <xs:enumeration value="initial"/>
+                <xs:enumeration value="tailed"/>
+                <xs:enumeration value="looped"/>
+                <xs:enumeration value="stretched"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="maxsize">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="infinity"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="movablelimits">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mslinethickness">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thin"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="thick"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="notation"/>
+          <xs:attribute name="numalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="open"/>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="rightoverhang">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
+          <xs:attribute name="rquote"/>
+          <xs:attribute name="rspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:attribute name="separator">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="separators"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stretchy">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="symmetric">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="valign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontfamily"/>
+          <xs:attribute name="fontweight">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="bold"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontstyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+                <xs:enumeration value="italic"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="fontsize">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="color">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="background">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="veryverythinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="verythinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="thinmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mediummathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="thickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="verythickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="veryverythickmathspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="merror_2">
+    <xs:sequence>
+      <xs:element name="merror">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mpadded_2">
+    <xs:sequence>
+      <xs:element name="mpadded">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
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+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="height">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="depth">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="lspace">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="voffset">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*([\+\-]?[0-9]*([0-9]\.?|\.[0-9])[0-9]*\s*((%?\s*(height|depth|width)?)|e[mx]|in|cm|mm|p[xtc]|((negative)?((very){0,2}thi(n|ck)|medium)mathspace))?)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mphantom_2">
+    <xs:sequence>
+      <xs:element name="mphantom">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
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+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
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+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mfenced_2">
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+      <xs:element name="mfenced">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
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+          <xs:anyAttribute namespace="##other" processContents="skip"/>
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+            <xs:group ref="mathml:munderover_2"/>
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+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
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+                  <xs:restriction base="xs:string">
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+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
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+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
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+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msup_2">
+    <xs:sequence>
+      <xs:element name="msup">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
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+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
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+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
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+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
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+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
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+          </xs:sequence>
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+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
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+          <xs:anyAttribute namespace="##other" processContents="skip"/>
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+              <xs:element ref="mathml:cbytes"/>
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+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
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+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
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+              <xs:element ref="mathml:conjugate"/>
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+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
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+              <xs:element ref="mathml:max"/>
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+              <xs:element ref="mathml:plus"/>
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+              <xs:element ref="mathml:lcm"/>
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+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
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+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
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+              <xs:element ref="mathml:grad"/>
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+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
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+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
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+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
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+              <xs:element ref="mathml:arccoth"/>
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+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
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+              <xs:group ref="mathml:matrixrow_2"/>
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+              <xs:element ref="mathml:exponentiale"/>
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+              <xs:group ref="mathml:ms_2"/>
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+              <xs:element ref="mathml:malignmark"/>
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+              <xs:group ref="mathml:mstyle_2"/>
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+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
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+              <xs:element ref="mathml:compose"/>
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+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
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+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
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+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
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+              <xs:group ref="mathml:matrix_2"/>
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+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="munder_2">
+    <xs:sequence>
+      <xs:element name="munder">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
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+              <xs:element ref="mathml:arccosh"/>
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+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
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+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
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+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
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+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accent">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="accentunder">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
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+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="center"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mmultiscripts_2">
+    <xs:sequence>
+      <xs:element name="mmultiscripts">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:sequence minOccurs="0" maxOccurs="unbounded">
+              <xs:choice>
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
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+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
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+                <xs:element ref="mathml:primes"/>
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+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
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+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+                <xs:group ref="mathml:mi_2"/>
+                <xs:group ref="mathml:mn_2"/>
+                <xs:group ref="mathml:mo_2"/>
+                <xs:group ref="mathml:mtext_2"/>
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+                <xs:group ref="mathml:ms_2"/>
+                <xs:element ref="mathml:maligngroup"/>
+                <xs:element ref="mathml:malignmark"/>
+                <xs:group ref="mathml:mrow_2"/>
+                <xs:group ref="mathml:mfrac_2"/>
+                <xs:group ref="mathml:msqrt_2"/>
+                <xs:group ref="mathml:mroot_2"/>
+                <xs:group ref="mathml:mstyle_2"/>
+                <xs:group ref="mathml:merror_2"/>
+                <xs:group ref="mathml:mpadded_2"/>
+                <xs:group ref="mathml:mphantom_2"/>
+                <xs:group ref="mathml:mfenced_2"/>
+                <xs:group ref="mathml:menclose_2"/>
+                <xs:group ref="mathml:msub_2"/>
+                <xs:group ref="mathml:msup_2"/>
+                <xs:group ref="mathml:msubsup_2"/>
+                <xs:group ref="mathml:munder_2"/>
+                <xs:group ref="mathml:mover_2"/>
+                <xs:group ref="mathml:munderover_2"/>
+                <xs:group ref="mathml:mmultiscripts_2"/>
+                <xs:group ref="mathml:mtable_2"/>
+                <xs:group ref="mathml:mstack_2"/>
+                <xs:group ref="mathml:mlongdiv_2"/>
+                <xs:group ref="mathml:maction_2"/>
+                <xs:group ref="mathml:semantics_4"/>
+                <xs:element ref="mathml:none"/>
+              </xs:choice>
+              <xs:choice>
+                <xs:group ref="mathml:semantics_3"/>
+                <xs:group ref="mathml:cn_2"/>
+                <xs:group ref="mathml:ci_2"/>
+                <xs:group ref="mathml:csymbol_2"/>
+                <xs:group ref="mathml:apply_2"/>
+                <xs:group ref="mathml:bind_2"/>
+                <xs:element ref="mathml:share"/>
+                <xs:group ref="mathml:cerror_2"/>
+                <xs:element ref="mathml:cbytes"/>
+                <xs:element ref="mathml:cs"/>
+                <xs:group ref="mathml:piecewise_2"/>
+                <xs:group ref="mathml:reln_2"/>
+                <xs:group ref="mathml:fn_2"/>
+                <xs:group ref="mathml:declare_2"/>
+                <xs:group ref="mathml:interval_2"/>
+                <xs:element ref="mathml:inverse"/>
+                <xs:element ref="mathml:ident"/>
+                <xs:element ref="mathml:domain"/>
+                <xs:element ref="mathml:codomain"/>
+                <xs:element ref="mathml:image"/>
+                <xs:element ref="mathml:ln"/>
+                <xs:element ref="mathml:log"/>
+                <xs:element ref="mathml:moment"/>
+                <xs:group ref="mathml:lambda_2"/>
+                <xs:element ref="mathml:compose"/>
+                <xs:element ref="mathml:quotient"/>
+                <xs:element ref="mathml:divide"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:power"/>
+                <xs:element ref="mathml:rem"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:factorial"/>
+                <xs:element ref="mathml:minus"/>
+                <xs:element ref="mathml:root"/>
+                <xs:element ref="mathml:abs"/>
+                <xs:element ref="mathml:conjugate"/>
+                <xs:element ref="mathml:arg"/>
+                <xs:element ref="mathml:real"/>
+                <xs:element ref="mathml:imaginary"/>
+                <xs:element ref="mathml:floor"/>
+                <xs:element ref="mathml:ceiling"/>
+                <xs:element ref="mathml:exp"/>
+                <xs:element ref="mathml:max"/>
+                <xs:element ref="mathml:min"/>
+                <xs:element ref="mathml:plus"/>
+                <xs:element ref="mathml:times"/>
+                <xs:element ref="mathml:gcd"/>
+                <xs:element ref="mathml:lcm"/>
+                <xs:element ref="mathml:and"/>
+                <xs:element ref="mathml:or"/>
+                <xs:element ref="mathml:xor"/>
+                <xs:element ref="mathml:not"/>
+                <xs:element ref="mathml:implies"/>
+                <xs:element ref="mathml:equivalent"/>
+                <xs:element ref="mathml:forall"/>
+                <xs:element ref="mathml:exists"/>
+                <xs:element ref="mathml:eq"/>
+                <xs:element ref="mathml:gt"/>
+                <xs:element ref="mathml:lt"/>
+                <xs:element ref="mathml:geq"/>
+                <xs:element ref="mathml:leq"/>
+                <xs:element ref="mathml:neq"/>
+                <xs:element ref="mathml:approx"/>
+                <xs:element ref="mathml:factorof"/>
+                <xs:element ref="mathml:tendsto"/>
+                <xs:element ref="mathml:int"/>
+                <xs:element ref="mathml:diff"/>
+                <xs:element ref="mathml:partialdiff"/>
+                <xs:element ref="mathml:divergence"/>
+                <xs:element ref="mathml:grad"/>
+                <xs:element ref="mathml:curl"/>
+                <xs:element ref="mathml:laplacian"/>
+                <xs:group ref="mathml:set_2"/>
+                <xs:group ref="mathml:list_6"/>
+                <xs:element ref="mathml:union"/>
+                <xs:element ref="mathml:intersect"/>
+                <xs:element ref="mathml:cartesianproduct"/>
+                <xs:element ref="mathml:in"/>
+                <xs:element ref="mathml:notin"/>
+                <xs:element ref="mathml:notsubset"/>
+                <xs:element ref="mathml:notprsubset"/>
+                <xs:element ref="mathml:setdiff"/>
+                <xs:element ref="mathml:subset"/>
+                <xs:element ref="mathml:prsubset"/>
+                <xs:element ref="mathml:card"/>
+                <xs:element ref="mathml:sum"/>
+                <xs:element ref="mathml:product"/>
+                <xs:element ref="mathml:limit"/>
+                <xs:element ref="mathml:sin"/>
+                <xs:element ref="mathml:cos"/>
+                <xs:element ref="mathml:tan"/>
+                <xs:element ref="mathml:sec"/>
+                <xs:element ref="mathml:csc"/>
+                <xs:element ref="mathml:cot"/>
+                <xs:element ref="mathml:sinh"/>
+                <xs:element ref="mathml:cosh"/>
+                <xs:element ref="mathml:tanh"/>
+                <xs:element ref="mathml:sech"/>
+                <xs:element ref="mathml:csch"/>
+                <xs:element ref="mathml:coth"/>
+                <xs:element ref="mathml:arcsin"/>
+                <xs:element ref="mathml:arccos"/>
+                <xs:element ref="mathml:arctan"/>
+                <xs:element ref="mathml:arccosh"/>
+                <xs:element ref="mathml:arccot"/>
+                <xs:element ref="mathml:arccoth"/>
+                <xs:element ref="mathml:arccsc"/>
+                <xs:element ref="mathml:arccsch"/>
+                <xs:element ref="mathml:arcsec"/>
+                <xs:element ref="mathml:arcsech"/>
+                <xs:element ref="mathml:arcsinh"/>
+                <xs:element ref="mathml:arctanh"/>
+                <xs:element ref="mathml:mean"/>
+                <xs:element ref="mathml:sdev"/>
+                <xs:element ref="mathml:variance"/>
+                <xs:element ref="mathml:median"/>
+                <xs:element ref="mathml:mode"/>
+                <xs:group ref="mathml:vector_2"/>
+                <xs:group ref="mathml:matrix_2"/>
+                <xs:group ref="mathml:matrixrow_2"/>
+                <xs:element ref="mathml:determinant"/>
+                <xs:element ref="mathml:transpose"/>
+                <xs:element ref="mathml:selector"/>
+                <xs:element ref="mathml:vectorproduct"/>
+                <xs:element ref="mathml:scalarproduct"/>
+                <xs:element ref="mathml:outerproduct"/>
+                <xs:element ref="mathml:integers"/>
+                <xs:element ref="mathml:reals"/>
+                <xs:element ref="mathml:rationals"/>
+                <xs:element ref="mathml:naturalnumbers"/>
+                <xs:element ref="mathml:complexes"/>
+                <xs:element ref="mathml:primes"/>
+                <xs:element ref="mathml:emptyset"/>
+                <xs:element ref="mathml:exponentiale"/>
+                <xs:element ref="mathml:imaginaryi"/>
+                <xs:element ref="mathml:notanumber"/>
+                <xs:element ref="mathml:true"/>
+                <xs:element ref="mathml:false"/>
+                <xs:element ref="mathml:pi"/>
+                <xs:element ref="mathml:eulergamma"/>
+                <xs:element ref="mathml:infinity"/>
+                <xs:group ref="mathml:mi_2"/>
+                <xs:group ref="mathml:mn_2"/>
+                <xs:group ref="mathml:mo_2"/>
+                <xs:group ref="mathml:mtext_2"/>
+                <xs:element ref="mathml:mspace"/>
+                <xs:group ref="mathml:ms_2"/>
+                <xs:element ref="mathml:maligngroup"/>
+                <xs:element ref="mathml:malignmark"/>
+                <xs:group ref="mathml:mrow_2"/>
+                <xs:group ref="mathml:mfrac_2"/>
+                <xs:group ref="mathml:msqrt_2"/>
+                <xs:group ref="mathml:mroot_2"/>
+                <xs:group ref="mathml:mstyle_2"/>
+                <xs:group ref="mathml:merror_2"/>
+                <xs:group ref="mathml:mpadded_2"/>
+                <xs:group ref="mathml:mphantom_2"/>
+                <xs:group ref="mathml:mfenced_2"/>
+                <xs:group ref="mathml:menclose_2"/>
+                <xs:group ref="mathml:msub_2"/>
+                <xs:group ref="mathml:msup_2"/>
+                <xs:group ref="mathml:msubsup_2"/>
+                <xs:group ref="mathml:munder_2"/>
+                <xs:group ref="mathml:mover_2"/>
+                <xs:group ref="mathml:munderover_2"/>
+                <xs:group ref="mathml:mmultiscripts_2"/>
+                <xs:group ref="mathml:mtable_2"/>
+                <xs:group ref="mathml:mstack_2"/>
+                <xs:group ref="mathml:mlongdiv_2"/>
+                <xs:group ref="mathml:maction_2"/>
+                <xs:group ref="mathml:semantics_4"/>
+                <xs:element ref="mathml:none"/>
+              </xs:choice>
+            </xs:sequence>
+            <xs:sequence minOccurs="0">
+              <xs:element ref="mathml:mprescripts"/>
+              <xs:sequence minOccurs="0" maxOccurs="unbounded">
+                <xs:choice>
+                  <xs:group ref="mathml:semantics_3"/>
+                  <xs:group ref="mathml:cn_2"/>
+                  <xs:group ref="mathml:ci_2"/>
+                  <xs:group ref="mathml:csymbol_2"/>
+                  <xs:group ref="mathml:apply_2"/>
+                  <xs:group ref="mathml:bind_2"/>
+                  <xs:element ref="mathml:share"/>
+                  <xs:group ref="mathml:cerror_2"/>
+                  <xs:element ref="mathml:cbytes"/>
+                  <xs:element ref="mathml:cs"/>
+                  <xs:group ref="mathml:piecewise_2"/>
+                  <xs:group ref="mathml:reln_2"/>
+                  <xs:group ref="mathml:fn_2"/>
+                  <xs:group ref="mathml:declare_2"/>
+                  <xs:group ref="mathml:interval_2"/>
+                  <xs:element ref="mathml:inverse"/>
+                  <xs:element ref="mathml:ident"/>
+                  <xs:element ref="mathml:domain"/>
+                  <xs:element ref="mathml:codomain"/>
+                  <xs:element ref="mathml:image"/>
+                  <xs:element ref="mathml:ln"/>
+                  <xs:element ref="mathml:log"/>
+                  <xs:element ref="mathml:moment"/>
+                  <xs:group ref="mathml:lambda_2"/>
+                  <xs:element ref="mathml:compose"/>
+                  <xs:element ref="mathml:quotient"/>
+                  <xs:element ref="mathml:divide"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:power"/>
+                  <xs:element ref="mathml:rem"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:factorial"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:abs"/>
+                  <xs:element ref="mathml:conjugate"/>
+                  <xs:element ref="mathml:arg"/>
+                  <xs:element ref="mathml:real"/>
+                  <xs:element ref="mathml:imaginary"/>
+                  <xs:element ref="mathml:floor"/>
+                  <xs:element ref="mathml:ceiling"/>
+                  <xs:element ref="mathml:exp"/>
+                  <xs:element ref="mathml:max"/>
+                  <xs:element ref="mathml:min"/>
+                  <xs:element ref="mathml:plus"/>
+                  <xs:element ref="mathml:times"/>
+                  <xs:element ref="mathml:gcd"/>
+                  <xs:element ref="mathml:lcm"/>
+                  <xs:element ref="mathml:and"/>
+                  <xs:element ref="mathml:or"/>
+                  <xs:element ref="mathml:xor"/>
+                  <xs:element ref="mathml:not"/>
+                  <xs:element ref="mathml:implies"/>
+                  <xs:element ref="mathml:equivalent"/>
+                  <xs:element ref="mathml:forall"/>
+                  <xs:element ref="mathml:exists"/>
+                  <xs:element ref="mathml:eq"/>
+                  <xs:element ref="mathml:gt"/>
+                  <xs:element ref="mathml:lt"/>
+                  <xs:element ref="mathml:geq"/>
+                  <xs:element ref="mathml:leq"/>
+                  <xs:element ref="mathml:neq"/>
+                  <xs:element ref="mathml:approx"/>
+                  <xs:element ref="mathml:factorof"/>
+                  <xs:element ref="mathml:tendsto"/>
+                  <xs:element ref="mathml:int"/>
+                  <xs:element ref="mathml:diff"/>
+                  <xs:element ref="mathml:partialdiff"/>
+                  <xs:element ref="mathml:divergence"/>
+                  <xs:element ref="mathml:grad"/>
+                  <xs:element ref="mathml:curl"/>
+                  <xs:element ref="mathml:laplacian"/>
+                  <xs:group ref="mathml:set_2"/>
+                  <xs:group ref="mathml:list_6"/>
+                  <xs:element ref="mathml:union"/>
+                  <xs:element ref="mathml:intersect"/>
+                  <xs:element ref="mathml:cartesianproduct"/>
+                  <xs:element ref="mathml:in"/>
+                  <xs:element ref="mathml:notin"/>
+                  <xs:element ref="mathml:notsubset"/>
+                  <xs:element ref="mathml:notprsubset"/>
+                  <xs:element ref="mathml:setdiff"/>
+                  <xs:element ref="mathml:subset"/>
+                  <xs:element ref="mathml:prsubset"/>
+                  <xs:element ref="mathml:card"/>
+                  <xs:element ref="mathml:sum"/>
+                  <xs:element ref="mathml:product"/>
+                  <xs:element ref="mathml:limit"/>
+                  <xs:element ref="mathml:sin"/>
+                  <xs:element ref="mathml:cos"/>
+                  <xs:element ref="mathml:tan"/>
+                  <xs:element ref="mathml:sec"/>
+                  <xs:element ref="mathml:csc"/>
+                  <xs:element ref="mathml:cot"/>
+                  <xs:element ref="mathml:sinh"/>
+                  <xs:element ref="mathml:cosh"/>
+                  <xs:element ref="mathml:tanh"/>
+                  <xs:element ref="mathml:sech"/>
+                  <xs:element ref="mathml:csch"/>
+                  <xs:element ref="mathml:coth"/>
+                  <xs:element ref="mathml:arcsin"/>
+                  <xs:element ref="mathml:arccos"/>
+                  <xs:element ref="mathml:arctan"/>
+                  <xs:element ref="mathml:arccosh"/>
+                  <xs:element ref="mathml:arccot"/>
+                  <xs:element ref="mathml:arccoth"/>
+                  <xs:element ref="mathml:arccsc"/>
+                  <xs:element ref="mathml:arccsch"/>
+                  <xs:element ref="mathml:arcsec"/>
+                  <xs:element ref="mathml:arcsech"/>
+                  <xs:element ref="mathml:arcsinh"/>
+                  <xs:element ref="mathml:arctanh"/>
+                  <xs:element ref="mathml:mean"/>
+                  <xs:element ref="mathml:sdev"/>
+                  <xs:element ref="mathml:variance"/>
+                  <xs:element ref="mathml:median"/>
+                  <xs:element ref="mathml:mode"/>
+                  <xs:group ref="mathml:vector_2"/>
+                  <xs:group ref="mathml:matrix_2"/>
+                  <xs:group ref="mathml:matrixrow_2"/>
+                  <xs:element ref="mathml:determinant"/>
+                  <xs:element ref="mathml:transpose"/>
+                  <xs:element ref="mathml:selector"/>
+                  <xs:element ref="mathml:vectorproduct"/>
+                  <xs:element ref="mathml:scalarproduct"/>
+                  <xs:element ref="mathml:outerproduct"/>
+                  <xs:element ref="mathml:integers"/>
+                  <xs:element ref="mathml:reals"/>
+                  <xs:element ref="mathml:rationals"/>
+                  <xs:element ref="mathml:naturalnumbers"/>
+                  <xs:element ref="mathml:complexes"/>
+                  <xs:element ref="mathml:primes"/>
+                  <xs:element ref="mathml:emptyset"/>
+                  <xs:element ref="mathml:exponentiale"/>
+                  <xs:element ref="mathml:imaginaryi"/>
+                  <xs:element ref="mathml:notanumber"/>
+                  <xs:element ref="mathml:true"/>
+                  <xs:element ref="mathml:false"/>
+                  <xs:element ref="mathml:pi"/>
+                  <xs:element ref="mathml:eulergamma"/>
+                  <xs:element ref="mathml:infinity"/>
+                  <xs:group ref="mathml:mi_2"/>
+                  <xs:group ref="mathml:mn_2"/>
+                  <xs:group ref="mathml:mo_2"/>
+                  <xs:group ref="mathml:mtext_2"/>
+                  <xs:element ref="mathml:mspace"/>
+                  <xs:group ref="mathml:ms_2"/>
+                  <xs:element ref="mathml:maligngroup"/>
+                  <xs:element ref="mathml:malignmark"/>
+                  <xs:group ref="mathml:mrow_2"/>
+                  <xs:group ref="mathml:mfrac_2"/>
+                  <xs:group ref="mathml:msqrt_2"/>
+                  <xs:group ref="mathml:mroot_2"/>
+                  <xs:group ref="mathml:mstyle_2"/>
+                  <xs:group ref="mathml:merror_2"/>
+                  <xs:group ref="mathml:mpadded_2"/>
+                  <xs:group ref="mathml:mphantom_2"/>
+                  <xs:group ref="mathml:mfenced_2"/>
+                  <xs:group ref="mathml:menclose_2"/>
+                  <xs:group ref="mathml:msub_2"/>
+                  <xs:group ref="mathml:msup_2"/>
+                  <xs:group ref="mathml:msubsup_2"/>
+                  <xs:group ref="mathml:munder_2"/>
+                  <xs:group ref="mathml:mover_2"/>
+                  <xs:group ref="mathml:munderover_2"/>
+                  <xs:group ref="mathml:mmultiscripts_2"/>
+                  <xs:group ref="mathml:mtable_2"/>
+                  <xs:group ref="mathml:mstack_2"/>
+                  <xs:group ref="mathml:mlongdiv_2"/>
+                  <xs:group ref="mathml:maction_2"/>
+                  <xs:group ref="mathml:semantics_4"/>
+                  <xs:element ref="mathml:none"/>
+                </xs:choice>
+                <xs:choice>
+                  <xs:group ref="mathml:semantics_3"/>
+                  <xs:group ref="mathml:cn_2"/>
+                  <xs:group ref="mathml:ci_2"/>
+                  <xs:group ref="mathml:csymbol_2"/>
+                  <xs:group ref="mathml:apply_2"/>
+                  <xs:group ref="mathml:bind_2"/>
+                  <xs:element ref="mathml:share"/>
+                  <xs:group ref="mathml:cerror_2"/>
+                  <xs:element ref="mathml:cbytes"/>
+                  <xs:element ref="mathml:cs"/>
+                  <xs:group ref="mathml:piecewise_2"/>
+                  <xs:group ref="mathml:reln_2"/>
+                  <xs:group ref="mathml:fn_2"/>
+                  <xs:group ref="mathml:declare_2"/>
+                  <xs:group ref="mathml:interval_2"/>
+                  <xs:element ref="mathml:inverse"/>
+                  <xs:element ref="mathml:ident"/>
+                  <xs:element ref="mathml:domain"/>
+                  <xs:element ref="mathml:codomain"/>
+                  <xs:element ref="mathml:image"/>
+                  <xs:element ref="mathml:ln"/>
+                  <xs:element ref="mathml:log"/>
+                  <xs:element ref="mathml:moment"/>
+                  <xs:group ref="mathml:lambda_2"/>
+                  <xs:element ref="mathml:compose"/>
+                  <xs:element ref="mathml:quotient"/>
+                  <xs:element ref="mathml:divide"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:power"/>
+                  <xs:element ref="mathml:rem"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:factorial"/>
+                  <xs:element ref="mathml:minus"/>
+                  <xs:element ref="mathml:root"/>
+                  <xs:element ref="mathml:abs"/>
+                  <xs:element ref="mathml:conjugate"/>
+                  <xs:element ref="mathml:arg"/>
+                  <xs:element ref="mathml:real"/>
+                  <xs:element ref="mathml:imaginary"/>
+                  <xs:element ref="mathml:floor"/>
+                  <xs:element ref="mathml:ceiling"/>
+                  <xs:element ref="mathml:exp"/>
+                  <xs:element ref="mathml:max"/>
+                  <xs:element ref="mathml:min"/>
+                  <xs:element ref="mathml:plus"/>
+                  <xs:element ref="mathml:times"/>
+                  <xs:element ref="mathml:gcd"/>
+                  <xs:element ref="mathml:lcm"/>
+                  <xs:element ref="mathml:and"/>
+                  <xs:element ref="mathml:or"/>
+                  <xs:element ref="mathml:xor"/>
+                  <xs:element ref="mathml:not"/>
+                  <xs:element ref="mathml:implies"/>
+                  <xs:element ref="mathml:equivalent"/>
+                  <xs:element ref="mathml:forall"/>
+                  <xs:element ref="mathml:exists"/>
+                  <xs:element ref="mathml:eq"/>
+                  <xs:element ref="mathml:gt"/>
+                  <xs:element ref="mathml:lt"/>
+                  <xs:element ref="mathml:geq"/>
+                  <xs:element ref="mathml:leq"/>
+                  <xs:element ref="mathml:neq"/>
+                  <xs:element ref="mathml:approx"/>
+                  <xs:element ref="mathml:factorof"/>
+                  <xs:element ref="mathml:tendsto"/>
+                  <xs:element ref="mathml:int"/>
+                  <xs:element ref="mathml:diff"/>
+                  <xs:element ref="mathml:partialdiff"/>
+                  <xs:element ref="mathml:divergence"/>
+                  <xs:element ref="mathml:grad"/>
+                  <xs:element ref="mathml:curl"/>
+                  <xs:element ref="mathml:laplacian"/>
+                  <xs:group ref="mathml:set_2"/>
+                  <xs:group ref="mathml:list_6"/>
+                  <xs:element ref="mathml:union"/>
+                  <xs:element ref="mathml:intersect"/>
+                  <xs:element ref="mathml:cartesianproduct"/>
+                  <xs:element ref="mathml:in"/>
+                  <xs:element ref="mathml:notin"/>
+                  <xs:element ref="mathml:notsubset"/>
+                  <xs:element ref="mathml:notprsubset"/>
+                  <xs:element ref="mathml:setdiff"/>
+                  <xs:element ref="mathml:subset"/>
+                  <xs:element ref="mathml:prsubset"/>
+                  <xs:element ref="mathml:card"/>
+                  <xs:element ref="mathml:sum"/>
+                  <xs:element ref="mathml:product"/>
+                  <xs:element ref="mathml:limit"/>
+                  <xs:element ref="mathml:sin"/>
+                  <xs:element ref="mathml:cos"/>
+                  <xs:element ref="mathml:tan"/>
+                  <xs:element ref="mathml:sec"/>
+                  <xs:element ref="mathml:csc"/>
+                  <xs:element ref="mathml:cot"/>
+                  <xs:element ref="mathml:sinh"/>
+                  <xs:element ref="mathml:cosh"/>
+                  <xs:element ref="mathml:tanh"/>
+                  <xs:element ref="mathml:sech"/>
+                  <xs:element ref="mathml:csch"/>
+                  <xs:element ref="mathml:coth"/>
+                  <xs:element ref="mathml:arcsin"/>
+                  <xs:element ref="mathml:arccos"/>
+                  <xs:element ref="mathml:arctan"/>
+                  <xs:element ref="mathml:arccosh"/>
+                  <xs:element ref="mathml:arccot"/>
+                  <xs:element ref="mathml:arccoth"/>
+                  <xs:element ref="mathml:arccsc"/>
+                  <xs:element ref="mathml:arccsch"/>
+                  <xs:element ref="mathml:arcsec"/>
+                  <xs:element ref="mathml:arcsech"/>
+                  <xs:element ref="mathml:arcsinh"/>
+                  <xs:element ref="mathml:arctanh"/>
+                  <xs:element ref="mathml:mean"/>
+                  <xs:element ref="mathml:sdev"/>
+                  <xs:element ref="mathml:variance"/>
+                  <xs:element ref="mathml:median"/>
+                  <xs:element ref="mathml:mode"/>
+                  <xs:group ref="mathml:vector_2"/>
+                  <xs:group ref="mathml:matrix_2"/>
+                  <xs:group ref="mathml:matrixrow_2"/>
+                  <xs:element ref="mathml:determinant"/>
+                  <xs:element ref="mathml:transpose"/>
+                  <xs:element ref="mathml:selector"/>
+                  <xs:element ref="mathml:vectorproduct"/>
+                  <xs:element ref="mathml:scalarproduct"/>
+                  <xs:element ref="mathml:outerproduct"/>
+                  <xs:element ref="mathml:integers"/>
+                  <xs:element ref="mathml:reals"/>
+                  <xs:element ref="mathml:rationals"/>
+                  <xs:element ref="mathml:naturalnumbers"/>
+                  <xs:element ref="mathml:complexes"/>
+                  <xs:element ref="mathml:primes"/>
+                  <xs:element ref="mathml:emptyset"/>
+                  <xs:element ref="mathml:exponentiale"/>
+                  <xs:element ref="mathml:imaginaryi"/>
+                  <xs:element ref="mathml:notanumber"/>
+                  <xs:element ref="mathml:true"/>
+                  <xs:element ref="mathml:false"/>
+                  <xs:element ref="mathml:pi"/>
+                  <xs:element ref="mathml:eulergamma"/>
+                  <xs:element ref="mathml:infinity"/>
+                  <xs:group ref="mathml:mi_2"/>
+                  <xs:group ref="mathml:mn_2"/>
+                  <xs:group ref="mathml:mo_2"/>
+                  <xs:group ref="mathml:mtext_2"/>
+                  <xs:element ref="mathml:mspace"/>
+                  <xs:group ref="mathml:ms_2"/>
+                  <xs:element ref="mathml:maligngroup"/>
+                  <xs:element ref="mathml:malignmark"/>
+                  <xs:group ref="mathml:mrow_2"/>
+                  <xs:group ref="mathml:mfrac_2"/>
+                  <xs:group ref="mathml:msqrt_2"/>
+                  <xs:group ref="mathml:mroot_2"/>
+                  <xs:group ref="mathml:mstyle_2"/>
+                  <xs:group ref="mathml:merror_2"/>
+                  <xs:group ref="mathml:mpadded_2"/>
+                  <xs:group ref="mathml:mphantom_2"/>
+                  <xs:group ref="mathml:mfenced_2"/>
+                  <xs:group ref="mathml:menclose_2"/>
+                  <xs:group ref="mathml:msub_2"/>
+                  <xs:group ref="mathml:msup_2"/>
+                  <xs:group ref="mathml:msubsup_2"/>
+                  <xs:group ref="mathml:munder_2"/>
+                  <xs:group ref="mathml:mover_2"/>
+                  <xs:group ref="mathml:munderover_2"/>
+                  <xs:group ref="mathml:mmultiscripts_2"/>
+                  <xs:group ref="mathml:mtable_2"/>
+                  <xs:group ref="mathml:mstack_2"/>
+                  <xs:group ref="mathml:mlongdiv_2"/>
+                  <xs:group ref="mathml:maction_2"/>
+                  <xs:group ref="mathml:semantics_4"/>
+                  <xs:element ref="mathml:none"/>
+                </xs:choice>
+              </xs:sequence>
+            </xs:sequence>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="subscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="superscriptshift">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtable_2">
+    <xs:sequence>
+      <xs:element name="mtable">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:mtr_2"/>
+            <xs:group ref="mathml:mlabeledtr_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="top"/>
+                        <xs:enumeration value="bottom"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="baseline"/>
+                        <xs:enumeration value="axis"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="alignmentscope">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="true"/>
+                        <xs:enumeration value="false"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnwidth">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="auto"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:token">
+                            <xs:enumeration value="fit"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="width">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="auto"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnspacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:string">
+                        <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnlines">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="none"/>
+                        <xs:enumeration value="solid"/>
+                        <xs:enumeration value="dashed"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="frame">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="none"/>
+                <xs:enumeration value="solid"/>
+                <xs:enumeration value="dashed"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="framespacing">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:union>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                        <xs:simpleType>
+                          <xs:restriction base="xs:string">
+                            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                          </xs:restriction>
+                        </xs:simpleType>
+                      </xs:union>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:length value="2"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalrows">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="equalcolumns">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="displaystyle">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="true"/>
+                <xs:enumeration value="false"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="side">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="leftoverlap"/>
+                <xs:enumeration value="rightoverlap"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="minlabelspacing">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mstack_2">
+    <xs:sequence>
+      <xs:element name="mstack">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:group ref="mathml:mscarries_2"/>
+            <xs:element ref="mathml:msline"/>
+            <xs:group ref="mathml:msrow_2"/>
+            <xs:group ref="mathml:msgroup_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="align">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*(top|bottom|center|baseline|axis)(\s+-?[0-9]+)?\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="stackalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+                <xs:enumeration value="decimalpoint"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="charspacing">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="loose"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="medium"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="tight"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mlongdiv_2">
+    <xs:sequence>
+      <xs:element name="mlongdiv">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+              <xs:group ref="mathml:mscarries_2"/>
+              <xs:element ref="mathml:msline"/>
+              <xs:group ref="mathml:msrow_2"/>
+              <xs:group ref="mathml:msgroup_2"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
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+              <xs:element ref="mathml:arctanh"/>
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+              <xs:element ref="mathml:sdev"/>
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+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="actiontype" use="required"/>
+          <xs:attribute name="selection" type="xs:positiveInteger"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="semantics_4">
+    <xs:sequence>
+      <xs:element name="semantics">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+              <xs:group ref="mathml:mi_2"/>
+              <xs:group ref="mathml:mn_2"/>
+              <xs:group ref="mathml:mo_2"/>
+              <xs:group ref="mathml:mtext_2"/>
+              <xs:element ref="mathml:mspace"/>
+              <xs:group ref="mathml:ms_2"/>
+              <xs:element ref="mathml:maligngroup"/>
+              <xs:element ref="mathml:malignmark"/>
+              <xs:group ref="mathml:mrow_2"/>
+              <xs:group ref="mathml:mfrac_2"/>
+              <xs:group ref="mathml:msqrt_2"/>
+              <xs:group ref="mathml:mroot_2"/>
+              <xs:group ref="mathml:mstyle_2"/>
+              <xs:group ref="mathml:merror_2"/>
+              <xs:group ref="mathml:mpadded_2"/>
+              <xs:group ref="mathml:mphantom_2"/>
+              <xs:group ref="mathml:mfenced_2"/>
+              <xs:group ref="mathml:menclose_2"/>
+              <xs:group ref="mathml:msub_2"/>
+              <xs:group ref="mathml:msup_2"/>
+              <xs:group ref="mathml:msubsup_2"/>
+              <xs:group ref="mathml:munder_2"/>
+              <xs:group ref="mathml:mover_2"/>
+              <xs:group ref="mathml:munderover_2"/>
+              <xs:group ref="mathml:mmultiscripts_2"/>
+              <xs:group ref="mathml:mtable_2"/>
+              <xs:group ref="mathml:mstack_2"/>
+              <xs:group ref="mathml:mlongdiv_2"/>
+              <xs:group ref="mathml:maction_2"/>
+              <xs:group ref="mathml:semantics_4"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml_2"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="item_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:item2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="thead">
+    <xs:sequence>
+      <xs:group ref="cnxml:thead"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="tfoot">
+    <xs:sequence>
+      <xs:group ref="cnxml:tfoot"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="tbody">
+    <xs:sequence>
+      <xs:group ref="cnxml:tbody"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="annotation">
+    <xs:complexType mixed="true">
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="tendsto">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-      <xs:attribute name="type"/>
+      <xs:attribute name="cd" type="xs:NCName"/>
+      <xs:attribute name="name" type="xs:NCName"/>
+      <xs:attribute name="encoding" type="xs:string"/>
+      <xs:attribute name="definitionURL" type="xs:anyURI"/>
+      <xs:attribute name="src" type="xs:anyURI"/>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="eq">
+  <xs:group name="annotation-xml">
+    <xs:sequence>
+      <xs:element name="annotation-xml">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:group ref="mathml:_1"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="src" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="mglyph">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="leq">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="src" type="xs:anyURI"/>
+      <xs:attribute name="width">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="height">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="valign">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="alt"/>
+      <xs:attribute name="index" type="xs:integer"/>
+      <xs:attribute name="mathvariant">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="bold"/>
+            <xs:enumeration value="italic"/>
+            <xs:enumeration value="bold-italic"/>
+            <xs:enumeration value="double-struck"/>
+            <xs:enumeration value="bold-fraktur"/>
+            <xs:enumeration value="script"/>
+            <xs:enumeration value="bold-script"/>
+            <xs:enumeration value="fraktur"/>
+            <xs:enumeration value="sans-serif"/>
+            <xs:enumeration value="bold-sans-serif"/>
+            <xs:enumeration value="sans-serif-italic"/>
+            <xs:enumeration value="sans-serif-bold-italic"/>
+            <xs:enumeration value="monospace"/>
+            <xs:enumeration value="initial"/>
+            <xs:enumeration value="tailed"/>
+            <xs:enumeration value="looped"/>
+            <xs:enumeration value="stretched"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathsize">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="small"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="normal"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="big"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontfamily"/>
+      <xs:attribute name="fontweight">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="bold"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontstyle">
+        <xs:simpleType>
+          <xs:restriction base="xs:token">
+            <xs:enumeration value="normal"/>
+            <xs:enumeration value="italic"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="fontsize">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="color">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="background">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="lt">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
+  <xs:element name="sep">
+    <xs:complexType/>
   </xs:element>
-  <xs:element name="geq">
+  <xs:group name="bvar">
+    <xs:sequence>
+      <xs:element name="bvar">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:choice>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:semantics_5"/>
+            </xs:choice>
+            <xs:group ref="mathml:degree"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="domainofapplication">
+    <xs:sequence>
+      <xs:element name="domainofapplication">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="condition">
+    <xs:sequence>
+      <xs:element name="condition">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="lowlimit">
+    <xs:sequence>
+      <xs:element name="lowlimit">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="uplimit">
+    <xs:sequence>
+      <xs:element name="uplimit">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="degree">
+    <xs:sequence>
+      <xs:element name="degree">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="momentabout">
+    <xs:sequence>
+      <xs:element name="momentabout">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="logbase">
+    <xs:sequence>
+      <xs:element name="logbase">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="piece">
+    <xs:sequence>
+      <xs:element name="piece">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics"/>
+              <xs:group ref="mathml:cn"/>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:csymbol"/>
+              <xs:group ref="mathml:apply"/>
+              <xs:group ref="mathml:bind"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise"/>
+              <xs:group ref="mathml:reln"/>
+              <xs:group ref="mathml:fn"/>
+              <xs:group ref="mathml:declare"/>
+              <xs:group ref="mathml:interval"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set"/>
+              <xs:group ref="mathml:list_4"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector"/>
+              <xs:group ref="mathml:matrix"/>
+              <xs:group ref="mathml:matrixrow"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="otherwise">
+    <xs:sequence>
+      <xs:element name="otherwise">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="none">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="gt">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="equivalent">
+  <xs:element name="mprescripts">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="approx">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:element name="subset">
+  <xs:group name="mtr">
+    <xs:sequence>
+      <xs:element name="mtr">
+        <xs:complexType>
+          <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:mtd"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mlabeledtr">
+    <xs:sequence>
+      <xs:element name="mlabeledtr">
+        <xs:complexType>
+          <xs:group maxOccurs="unbounded" ref="mathml:mtd"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mscarries">
+    <xs:sequence>
+      <xs:element name="mscarries">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:element ref="mathml:none"/>
+            <xs:group ref="mathml:mscarry"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:element name="msline">
     <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
-      <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
       <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
-      <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
-    </xs:complexType>
-  </xs:element>
-  <xs:element name="prsubset">
-    <xs:complexType>
-      <xs:attribute ref="xlink:href"/>
-      <xs:attribute ref="xlink:type"/>
+      <xs:attribute name="xref"/>
       <xs:attribute name="class" type="xs:NMTOKENS"/>
-      <xs:attribute name="style"/>
-      <xs:attribute name="id" type="xs:ID"/>
-      <xs:attribute name="xref" type="xs:IDREF"/>
+      <xs:attribute name="style" type="xs:string"/>
+      <xs:attribute name="href" type="xs:anyURI"/>
       <xs:attribute name="other"/>
-      <xs:attribute name="definitionURL"/>
-      <xs:attribute name="encoding"/>
+      <xs:attribute name="mathcolor">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mathbackground">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="transparent"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="position" type="xs:integer"/>
+      <xs:attribute name="length" type="xs:unsignedLong"/>
+      <xs:attribute name="leftoverhang">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="rightoverhang">
+        <xs:simpleType>
+          <xs:restriction base="xs:string">
+            <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:attribute name="mslinethickness">
+        <xs:simpleType>
+          <xs:union>
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((-?[0-9]*([0-9]\.?|\.[0-9])[0-9]*(e[mx]|in|cm|mm|p[xtc]|%)?)|(negative)?((very){0,2}thi(n|ck)|medium)mathspace)\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="thin"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="medium"/>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="thick"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:union>
+        </xs:simpleType>
+      </xs:attribute>
+      <xs:anyAttribute namespace="##other" processContents="skip"/>
     </xs:complexType>
   </xs:element>
-  <xs:group name="piece">
+  <xs:group name="msrow">
+    <xs:sequence>
+      <xs:element name="msrow">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:element ref="mathml:none"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="msgroup">
+    <xs:sequence>
+      <xs:element name="msgroup">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:group ref="mathml:mscarries"/>
+            <xs:element ref="mathml:msline"/>
+            <xs:group ref="mathml:msrow"/>
+            <xs:group ref="mathml:msgroup"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="title_7">
+    <xs:sequence>
+      <xs:group ref="cnxml:title2"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="caption_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:caption1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="para_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:para3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="div_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:div1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="definition_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:definition1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="example_2">
     <xs:sequence>
-      <xs:element name="piece">
+      <xs:group ref="cnxml:example1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="figure_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:figure1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="table_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:table1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="rule_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:rule1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="equation_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:equation1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="exercise_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:exercise1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="item_5">
+    <xs:sequence>
+      <xs:group ref="cnxml:item3"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="longdesc_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:longdesc1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="object_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:object1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="image_4">
+    <xs:sequence>
+      <xs:group ref="cnxml:image1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="audio_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:audio1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="video_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:video1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="java-applet_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:java-applet1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="flash_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:flash1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="labview_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:labview1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="text_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:text1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="download_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:download1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="annotation-xml_2">
+    <xs:sequence>
+      <xs:element name="annotation-xml">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
+            <xs:group ref="mathml:mi_2"/>
+            <xs:group ref="mathml:mn_2"/>
+            <xs:group ref="mathml:mo_2"/>
+            <xs:group ref="mathml:mtext_2"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow_2"/>
+            <xs:group ref="mathml:mfrac_2"/>
+            <xs:group ref="mathml:msqrt_2"/>
+            <xs:group ref="mathml:mroot_2"/>
+            <xs:group ref="mathml:mstyle_2"/>
+            <xs:group ref="mathml:merror_2"/>
+            <xs:group ref="mathml:mpadded_2"/>
+            <xs:group ref="mathml:mphantom_2"/>
+            <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
+            <xs:group ref="mathml:msub_2"/>
+            <xs:group ref="mathml:msup_2"/>
+            <xs:group ref="mathml:msubsup_2"/>
+            <xs:group ref="mathml:munder_2"/>
+            <xs:group ref="mathml:mover_2"/>
+            <xs:group ref="mathml:munderover_2"/>
+            <xs:group ref="mathml:mmultiscripts_2"/>
+            <xs:group ref="mathml:mtable_2"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
+            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:group ref="mathml:_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="src" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="bvar_2">
+    <xs:sequence>
+      <xs:element name="bvar">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:choice>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:semantics_6"/>
+            </xs:choice>
+            <xs:group ref="mathml:degree_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="domainofapplication_2">
+    <xs:sequence>
+      <xs:element name="domainofapplication">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -14181,476 +34116,284 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="otherwise">
-    <xs:sequence>
-      <xs:element name="otherwise">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol"/>
-            <xs:group ref="mathml:ci"/>
-            <xs:group ref="mathml:cn"/>
-            <xs:group ref="mathml:apply"/>
-            <xs:group ref="mathml:reln"/>
-            <xs:group ref="mathml:lambda"/>
-            <xs:group ref="mathml:condition"/>
-            <xs:group ref="mathml:declare"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval"/>
-            <xs:group ref="mathml:list_4"/>
-            <xs:group ref="mathml:matrix"/>
-            <xs:group ref="mathml:matrixrow"/>
-            <xs:group ref="mathml:set"/>
-            <xs:group ref="mathml:vector"/>
-            <xs:group ref="mathml:piecewise"/>
-            <xs:group ref="mathml:lowlimit"/>
-            <xs:group ref="mathml:uplimit"/>
-            <xs:group ref="mathml:bvar"/>
-            <xs:group ref="mathml:degree"/>
-            <xs:group ref="mathml:logbase"/>
-            <xs:group ref="mathml:momentabout"/>
-            <xs:group ref="mathml:domainofapplication"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="condition_2">
+    <xs:sequence>
+      <xs:element name="condition">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:sin"/>
-            <xs:element ref="mathml:cos"/>
-            <xs:element ref="mathml:tan"/>
-            <xs:element ref="mathml:sec"/>
-            <xs:element ref="mathml:csc"/>
-            <xs:element ref="mathml:cot"/>
-            <xs:element ref="mathml:sinh"/>
-            <xs:element ref="mathml:cosh"/>
-            <xs:element ref="mathml:tanh"/>
-            <xs:element ref="mathml:sech"/>
-            <xs:element ref="mathml:csch"/>
-            <xs:element ref="mathml:coth"/>
-            <xs:element ref="mathml:arcsin"/>
-            <xs:element ref="mathml:arccos"/>
-            <xs:element ref="mathml:arctan"/>
-            <xs:element ref="mathml:arccosh"/>
-            <xs:element ref="mathml:arccot"/>
-            <xs:element ref="mathml:arccoth"/>
-            <xs:element ref="mathml:arccsc"/>
-            <xs:element ref="mathml:arccsch"/>
-            <xs:element ref="mathml:arcsec"/>
-            <xs:element ref="mathml:arcsech"/>
-            <xs:element ref="mathml:arcsinh"/>
-            <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:exp"/>
             <xs:element ref="mathml:max"/>
             <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
             <xs:element ref="mathml:gcd"/>
             <xs:element ref="mathml:lcm"/>
             <xs:element ref="mathml:and"/>
             <xs:element ref="mathml:or"/>
             <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
             <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:exists"/>
             <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:gt"/>
             <xs:element ref="mathml:lt"/>
             <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
             <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi"/>
-            <xs:group ref="mathml:mn"/>
-            <xs:group ref="mathml:mo"/>
-            <xs:group ref="mathml:mtext"/>
-            <xs:group ref="mathml:ms"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow"/>
-            <xs:group ref="mathml:mfrac"/>
-            <xs:group ref="mathml:msqrt"/>
-            <xs:group ref="mathml:mroot"/>
-            <xs:group ref="mathml:menclose"/>
-            <xs:group ref="mathml:mstyle"/>
-            <xs:group ref="mathml:merror"/>
-            <xs:group ref="mathml:mpadded"/>
-            <xs:group ref="mathml:mphantom"/>
-            <xs:group ref="mathml:mfenced"/>
-            <xs:group ref="mathml:msub"/>
-            <xs:group ref="mathml:msup"/>
-            <xs:group ref="mathml:msubsup"/>
-            <xs:group ref="mathml:munder"/>
-            <xs:group ref="mathml:mover"/>
-            <xs:group ref="mathml:munderover"/>
-            <xs:group ref="mathml:mmultiscripts"/>
-            <xs:group ref="mathml:mtable"/>
-            <xs:group ref="mathml:mtr"/>
-            <xs:group ref="mathml:mlabeledtr"/>
-            <xs:group ref="mathml:mtd"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="title_7">
-    <xs:sequence>
-      <xs:group ref="cnxml:title2"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="caption_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:caption1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="para_4">
-    <xs:sequence>
-      <xs:group ref="cnxml:para3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="div_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:div1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="definition_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:definition1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="example_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:example1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="figure_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:figure1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="table_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:table1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="rule_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:rule1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="equation_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:equation1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="exercise_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:exercise1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="item_5">
-    <xs:sequence>
-      <xs:group ref="cnxml:item3"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="longdesc_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:longdesc1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="object_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:object1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="image_3">
-    <xs:sequence>
-      <xs:group ref="cnxml:image1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="audio_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:audio1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="video_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:video1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="java-applet_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:java-applet1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="flash_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:flash1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="labview_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:labview1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="text_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:text1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="download_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:download1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="condition_2">
-    <xs:sequence>
-      <xs:element name="condition">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="lowlimit_2">
+    <xs:sequence>
+      <xs:element name="lowlimit">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
             <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -14675,187 +34418,130 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="annotation-xml_2">
-    <xs:sequence>
-      <xs:element name="annotation-xml">
-        <xs:complexType mixed="true">
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:element ref="mathml:mspace"/>
-            <xs:element ref="mathml:mprescripts"/>
-            <xs:element ref="mathml:none"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:mglyph"/>
-            <xs:element ref="mathml:sep"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="uplimit_2">
+    <xs:sequence>
+      <xs:element name="uplimit">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
             <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:exp"/>
             <xs:element ref="mathml:max"/>
             <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
             <xs:element ref="mathml:times"/>
             <xs:element ref="mathml:gcd"/>
             <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
             <xs:element ref="mathml:and"/>
             <xs:element ref="mathml:or"/>
             <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
             <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
             <xs:element ref="mathml:divergence"/>
             <xs:element ref="mathml:grad"/>
             <xs:element ref="mathml:curl"/>
             <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:ln"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:setdiff"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
             <xs:element ref="mathml:union"/>
             <xs:element ref="mathml:intersect"/>
             <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
             <xs:element ref="mathml:sum"/>
             <xs:element ref="mathml:product"/>
             <xs:element ref="mathml:limit"/>
@@ -14888,160 +34574,279 @@
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
             <xs:element ref="mathml:determinant"/>
             <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
             <xs:element ref="mathml:vectorproduct"/>
             <xs:element ref="mathml:scalarproduct"/>
             <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:piece_2"/>
-            <xs:group ref="mathml:otherwise_2"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:group ref="mathml:maction_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:group ref="mathml:math_2"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-          <xs:attribute name="encoding"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="lowlimit_2">
+  <xs:group name="degree_2">
     <xs:sequence>
-      <xs:element name="lowlimit">
+      <xs:element name="degree">
         <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
             <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
             <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
             <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
+            <xs:group ref="mathml:fn_2"/>
             <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="momentabout_2">
+    <xs:sequence>
+      <xs:element name="momentabout">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
             <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -15066,174 +34871,133 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="uplimit_2">
-    <xs:sequence>
-      <xs:element name="uplimit">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="logbase_2">
+    <xs:sequence>
+      <xs:element name="logbase">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
             <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -15258,174 +35022,438 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="bvar_2">
-    <xs:sequence>
-      <xs:element name="bvar">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
+          </xs:choice>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="piece_2">
+    <xs:sequence>
+      <xs:element name="piece">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+            <xs:choice>
+              <xs:group ref="mathml:semantics_3"/>
+              <xs:group ref="mathml:cn_2"/>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:csymbol_2"/>
+              <xs:group ref="mathml:apply_2"/>
+              <xs:group ref="mathml:bind_2"/>
+              <xs:element ref="mathml:share"/>
+              <xs:group ref="mathml:cerror_2"/>
+              <xs:element ref="mathml:cbytes"/>
+              <xs:element ref="mathml:cs"/>
+              <xs:group ref="mathml:piecewise_2"/>
+              <xs:group ref="mathml:reln_2"/>
+              <xs:group ref="mathml:fn_2"/>
+              <xs:group ref="mathml:declare_2"/>
+              <xs:group ref="mathml:interval_2"/>
+              <xs:element ref="mathml:inverse"/>
+              <xs:element ref="mathml:ident"/>
+              <xs:element ref="mathml:domain"/>
+              <xs:element ref="mathml:codomain"/>
+              <xs:element ref="mathml:image"/>
+              <xs:element ref="mathml:ln"/>
+              <xs:element ref="mathml:log"/>
+              <xs:element ref="mathml:moment"/>
+              <xs:group ref="mathml:lambda_2"/>
+              <xs:element ref="mathml:compose"/>
+              <xs:element ref="mathml:quotient"/>
+              <xs:element ref="mathml:divide"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:power"/>
+              <xs:element ref="mathml:rem"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:factorial"/>
+              <xs:element ref="mathml:minus"/>
+              <xs:element ref="mathml:root"/>
+              <xs:element ref="mathml:abs"/>
+              <xs:element ref="mathml:conjugate"/>
+              <xs:element ref="mathml:arg"/>
+              <xs:element ref="mathml:real"/>
+              <xs:element ref="mathml:imaginary"/>
+              <xs:element ref="mathml:floor"/>
+              <xs:element ref="mathml:ceiling"/>
+              <xs:element ref="mathml:exp"/>
+              <xs:element ref="mathml:max"/>
+              <xs:element ref="mathml:min"/>
+              <xs:element ref="mathml:plus"/>
+              <xs:element ref="mathml:times"/>
+              <xs:element ref="mathml:gcd"/>
+              <xs:element ref="mathml:lcm"/>
+              <xs:element ref="mathml:and"/>
+              <xs:element ref="mathml:or"/>
+              <xs:element ref="mathml:xor"/>
+              <xs:element ref="mathml:not"/>
+              <xs:element ref="mathml:implies"/>
+              <xs:element ref="mathml:equivalent"/>
+              <xs:element ref="mathml:forall"/>
+              <xs:element ref="mathml:exists"/>
+              <xs:element ref="mathml:eq"/>
+              <xs:element ref="mathml:gt"/>
+              <xs:element ref="mathml:lt"/>
+              <xs:element ref="mathml:geq"/>
+              <xs:element ref="mathml:leq"/>
+              <xs:element ref="mathml:neq"/>
+              <xs:element ref="mathml:approx"/>
+              <xs:element ref="mathml:factorof"/>
+              <xs:element ref="mathml:tendsto"/>
+              <xs:element ref="mathml:int"/>
+              <xs:element ref="mathml:diff"/>
+              <xs:element ref="mathml:partialdiff"/>
+              <xs:element ref="mathml:divergence"/>
+              <xs:element ref="mathml:grad"/>
+              <xs:element ref="mathml:curl"/>
+              <xs:element ref="mathml:laplacian"/>
+              <xs:group ref="mathml:set_2"/>
+              <xs:group ref="mathml:list_6"/>
+              <xs:element ref="mathml:union"/>
+              <xs:element ref="mathml:intersect"/>
+              <xs:element ref="mathml:cartesianproduct"/>
+              <xs:element ref="mathml:in"/>
+              <xs:element ref="mathml:notin"/>
+              <xs:element ref="mathml:notsubset"/>
+              <xs:element ref="mathml:notprsubset"/>
+              <xs:element ref="mathml:setdiff"/>
+              <xs:element ref="mathml:subset"/>
+              <xs:element ref="mathml:prsubset"/>
+              <xs:element ref="mathml:card"/>
+              <xs:element ref="mathml:sum"/>
+              <xs:element ref="mathml:product"/>
+              <xs:element ref="mathml:limit"/>
+              <xs:element ref="mathml:sin"/>
+              <xs:element ref="mathml:cos"/>
+              <xs:element ref="mathml:tan"/>
+              <xs:element ref="mathml:sec"/>
+              <xs:element ref="mathml:csc"/>
+              <xs:element ref="mathml:cot"/>
+              <xs:element ref="mathml:sinh"/>
+              <xs:element ref="mathml:cosh"/>
+              <xs:element ref="mathml:tanh"/>
+              <xs:element ref="mathml:sech"/>
+              <xs:element ref="mathml:csch"/>
+              <xs:element ref="mathml:coth"/>
+              <xs:element ref="mathml:arcsin"/>
+              <xs:element ref="mathml:arccos"/>
+              <xs:element ref="mathml:arctan"/>
+              <xs:element ref="mathml:arccosh"/>
+              <xs:element ref="mathml:arccot"/>
+              <xs:element ref="mathml:arccoth"/>
+              <xs:element ref="mathml:arccsc"/>
+              <xs:element ref="mathml:arccsch"/>
+              <xs:element ref="mathml:arcsec"/>
+              <xs:element ref="mathml:arcsech"/>
+              <xs:element ref="mathml:arcsinh"/>
+              <xs:element ref="mathml:arctanh"/>
+              <xs:element ref="mathml:mean"/>
+              <xs:element ref="mathml:sdev"/>
+              <xs:element ref="mathml:variance"/>
+              <xs:element ref="mathml:median"/>
+              <xs:element ref="mathml:mode"/>
+              <xs:group ref="mathml:vector_2"/>
+              <xs:group ref="mathml:matrix_2"/>
+              <xs:group ref="mathml:matrixrow_2"/>
+              <xs:element ref="mathml:determinant"/>
+              <xs:element ref="mathml:transpose"/>
+              <xs:element ref="mathml:selector"/>
+              <xs:element ref="mathml:vectorproduct"/>
+              <xs:element ref="mathml:scalarproduct"/>
+              <xs:element ref="mathml:outerproduct"/>
+              <xs:element ref="mathml:integers"/>
+              <xs:element ref="mathml:reals"/>
+              <xs:element ref="mathml:rationals"/>
+              <xs:element ref="mathml:naturalnumbers"/>
+              <xs:element ref="mathml:complexes"/>
+              <xs:element ref="mathml:primes"/>
+              <xs:element ref="mathml:emptyset"/>
+              <xs:element ref="mathml:exponentiale"/>
+              <xs:element ref="mathml:imaginaryi"/>
+              <xs:element ref="mathml:notanumber"/>
+              <xs:element ref="mathml:true"/>
+              <xs:element ref="mathml:false"/>
+              <xs:element ref="mathml:pi"/>
+              <xs:element ref="mathml:eulergamma"/>
+              <xs:element ref="mathml:infinity"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="otherwise_2">
+    <xs:sequence>
+      <xs:element name="otherwise">
+        <xs:complexType>
+          <xs:choice>
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
             <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+            <xs:group ref="mathml:reln_2"/>
+            <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
-            <xs:element ref="mathml:abs"/>
-            <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -15450,41 +35478,269 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
             <xs:element ref="mathml:determinant"/>
             <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:selector"/>
             <xs:element ref="mathml:vectorproduct"/>
             <xs:element ref="mathml:scalarproduct"/>
             <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtr_2">
+    <xs:sequence>
+      <xs:element name="mtr">
+        <xs:complexType>
+          <xs:group minOccurs="0" maxOccurs="unbounded" ref="mathml:mtd_2"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mlabeledtr_2">
+    <xs:sequence>
+      <xs:element name="mlabeledtr">
+        <xs:complexType>
+          <xs:group maxOccurs="unbounded" ref="mathml:mtd_2"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="(\s*\{\s*(left|center|right|decimalpoint)(\s+(left|center|right|decimalpoint))*\})*\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mscarries_2">
+    <xs:sequence>
+      <xs:element name="mscarries">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics_3"/>
+            <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
+            <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
+            <xs:group ref="mathml:reln_2"/>
             <xs:group ref="mathml:fn_2"/>
+            <xs:group ref="mathml:declare_2"/>
+            <xs:group ref="mathml:interval_2"/>
+            <xs:element ref="mathml:inverse"/>
+            <xs:element ref="mathml:ident"/>
+            <xs:element ref="mathml:domain"/>
+            <xs:element ref="mathml:codomain"/>
+            <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
             <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:abs"/>
+            <xs:element ref="mathml:conjugate"/>
+            <xs:element ref="mathml:arg"/>
+            <xs:element ref="mathml:real"/>
+            <xs:element ref="mathml:imaginary"/>
+            <xs:element ref="mathml:floor"/>
+            <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
             <xs:element ref="mathml:max"/>
             <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
             <xs:element ref="mathml:gcd"/>
             <xs:element ref="mathml:lcm"/>
             <xs:element ref="mathml:and"/>
             <xs:element ref="mathml:or"/>
             <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
-            <xs:element ref="mathml:mean"/>
-            <xs:element ref="mathml:sdev"/>
-            <xs:element ref="mathml:variance"/>
-            <xs:element ref="mathml:median"/>
-            <xs:element ref="mathml:mode"/>
-            <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:not"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
             <xs:element ref="mathml:int"/>
             <xs:element ref="mathml:diff"/>
             <xs:element ref="mathml:partialdiff"/>
@@ -15492,44 +35748,93 @@
             <xs:element ref="mathml:grad"/>
             <xs:element ref="mathml:curl"/>
             <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:in"/>
             <xs:element ref="mathml:notin"/>
             <xs:element ref="mathml:notsubset"/>
             <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:setdiff"/>
             <xs:element ref="mathml:subset"/>
             <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
+            <xs:element ref="mathml:sin"/>
+            <xs:element ref="mathml:cos"/>
+            <xs:element ref="mathml:tan"/>
+            <xs:element ref="mathml:sec"/>
+            <xs:element ref="mathml:csc"/>
+            <xs:element ref="mathml:cot"/>
+            <xs:element ref="mathml:sinh"/>
+            <xs:element ref="mathml:cosh"/>
+            <xs:element ref="mathml:tanh"/>
+            <xs:element ref="mathml:sech"/>
+            <xs:element ref="mathml:csch"/>
+            <xs:element ref="mathml:coth"/>
+            <xs:element ref="mathml:arcsin"/>
+            <xs:element ref="mathml:arccos"/>
+            <xs:element ref="mathml:arctan"/>
+            <xs:element ref="mathml:arccosh"/>
+            <xs:element ref="mathml:arccot"/>
+            <xs:element ref="mathml:arccoth"/>
+            <xs:element ref="mathml:arccsc"/>
+            <xs:element ref="mathml:arccsch"/>
+            <xs:element ref="mathml:arcsec"/>
+            <xs:element ref="mathml:arcsech"/>
+            <xs:element ref="mathml:arcsinh"/>
+            <xs:element ref="mathml:arctanh"/>
+            <xs:element ref="mathml:mean"/>
+            <xs:element ref="mathml:sdev"/>
+            <xs:element ref="mathml:variance"/>
+            <xs:element ref="mathml:median"/>
+            <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
+            <xs:element ref="mathml:selector"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi_2"/>
             <xs:group ref="mathml:mn_2"/>
             <xs:group ref="mathml:mo_2"/>
             <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow_2"/>
             <xs:group ref="mathml:mfrac_2"/>
             <xs:group ref="mathml:msqrt_2"/>
             <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:mstyle_2"/>
             <xs:group ref="mathml:merror_2"/>
             <xs:group ref="mathml:mpadded_2"/>
             <xs:group ref="mathml:mphantom_2"/>
             <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:msub_2"/>
             <xs:group ref="mathml:msup_2"/>
             <xs:group ref="mathml:msubsup_2"/>
@@ -15538,86 +35843,171 @@
             <xs:group ref="mathml:munderover_2"/>
             <xs:group ref="mathml:mmultiscripts_2"/>
             <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
             <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:element ref="mathml:none"/>
+            <xs:group ref="mathml:mscarry_2"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="scriptsizemultiplier" type="xs:decimal"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="degree_2">
+  <xs:group name="msrow_2">
     <xs:sequence>
-      <xs:element name="degree">
+      <xs:element name="msrow">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:semantics_3"/>
             <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
             <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
             <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
+            <xs:group ref="mathml:fn_2"/>
             <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -15642,86 +36032,53 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi_2"/>
             <xs:group ref="mathml:mn_2"/>
             <xs:group ref="mathml:mo_2"/>
             <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow_2"/>
             <xs:group ref="mathml:mfrac_2"/>
             <xs:group ref="mathml:msqrt_2"/>
             <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:mstyle_2"/>
             <xs:group ref="mathml:merror_2"/>
             <xs:group ref="mathml:mpadded_2"/>
             <xs:group ref="mathml:mphantom_2"/>
             <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:msub_2"/>
             <xs:group ref="mathml:msup_2"/>
             <xs:group ref="mathml:msubsup_2"/>
@@ -15730,86 +36087,140 @@
             <xs:group ref="mathml:munderover_2"/>
             <xs:group ref="mathml:mmultiscripts_2"/>
             <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
             <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:element ref="mathml:none"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="logbase_2">
+  <xs:group name="msgroup_2">
     <xs:sequence>
-      <xs:element name="logbase">
+      <xs:element name="msgroup">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:semantics_3"/>
             <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
             <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
             <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
+            <xs:group ref="mathml:fn_2"/>
             <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -15834,86 +36245,53 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi_2"/>
             <xs:group ref="mathml:mn_2"/>
             <xs:group ref="mathml:mo_2"/>
             <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow_2"/>
             <xs:group ref="mathml:mfrac_2"/>
             <xs:group ref="mathml:msqrt_2"/>
             <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:mstyle_2"/>
             <xs:group ref="mathml:merror_2"/>
             <xs:group ref="mathml:mpadded_2"/>
             <xs:group ref="mathml:mphantom_2"/>
             <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:msub_2"/>
             <xs:group ref="mathml:msup_2"/>
             <xs:group ref="mathml:msubsup_2"/>
@@ -15922,86 +36300,184 @@
             <xs:group ref="mathml:munderover_2"/>
             <xs:group ref="mathml:mmultiscripts_2"/>
             <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
             <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:group ref="mathml:mscarries_2"/>
+            <xs:element ref="mathml:msline"/>
+            <xs:group ref="mathml:msrow_2"/>
+            <xs:group ref="mathml:msgroup_2"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="position" type="xs:integer"/>
+          <xs:attribute name="shift" type="xs:integer"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="momentabout_2">
+  <xs:group name="row">
     <xs:sequence>
-      <xs:element name="momentabout">
+      <xs:group ref="cnxml:row"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="_1">
+    <xs:choice>
+      <xs:any namespace="##other" processContents="skip"/>
+      <xs:any namespace="##local" processContents="skip"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="semantics_5">
+    <xs:sequence>
+      <xs:element name="semantics">
         <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:ci"/>
+              <xs:group ref="mathml:semantics_5"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml"/>
+            </xs:choice>
+          </xs:sequence>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mtd">
+    <xs:sequence>
+      <xs:element name="mtd">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -16026,174 +36502,234 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
-            <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
-          </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
-          <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
-          <xs:attribute name="other"/>
-        </xs:complexType>
-      </xs:element>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="domainofapplication_2">
-    <xs:sequence>
-      <xs:element name="domainofapplication">
-        <xs:complexType>
-          <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
-            <xs:group ref="mathml:cn_2"/>
-            <xs:group ref="mathml:apply_2"/>
-            <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
-            <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
             <xs:element ref="mathml:integers"/>
             <xs:element ref="mathml:reals"/>
             <xs:element ref="mathml:rationals"/>
             <xs:element ref="mathml:naturalnumbers"/>
             <xs:element ref="mathml:complexes"/>
             <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:exponentiale"/>
             <xs:element ref="mathml:imaginaryi"/>
             <xs:element ref="mathml:notanumber"/>
             <xs:element ref="mathml:true"/>
             <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
             <xs:element ref="mathml:pi"/>
             <xs:element ref="mathml:eulergamma"/>
             <xs:element ref="mathml:infinity"/>
-            <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
+            <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+          </xs:choice>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                        <xs:enumeration value="decimalpoint"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="mscarry">
+    <xs:sequence>
+      <xs:element name="mscarry">
+        <xs:complexType>
+          <xs:choice minOccurs="0" maxOccurs="unbounded">
+            <xs:group ref="mathml:semantics"/>
+            <xs:group ref="mathml:cn"/>
+            <xs:group ref="mathml:ci"/>
+            <xs:group ref="mathml:csymbol"/>
+            <xs:group ref="mathml:apply"/>
+            <xs:group ref="mathml:bind"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise"/>
+            <xs:group ref="mathml:reln"/>
+            <xs:group ref="mathml:fn"/>
+            <xs:group ref="mathml:declare"/>
+            <xs:group ref="mathml:interval"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set"/>
+            <xs:group ref="mathml:list_4"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -16218,174 +36754,308 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector"/>
+            <xs:group ref="mathml:matrix"/>
+            <xs:group ref="mathml:matrixrow"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
-            <xs:group ref="mathml:mi_2"/>
-            <xs:group ref="mathml:mn_2"/>
-            <xs:group ref="mathml:mo_2"/>
-            <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
+            <xs:group ref="mathml:mi"/>
+            <xs:group ref="mathml:mn"/>
+            <xs:group ref="mathml:mo"/>
+            <xs:group ref="mathml:mtext"/>
             <xs:element ref="mathml:mspace"/>
-            <xs:group ref="mathml:mrow_2"/>
-            <xs:group ref="mathml:mfrac_2"/>
-            <xs:group ref="mathml:msqrt_2"/>
-            <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
-            <xs:group ref="mathml:mstyle_2"/>
-            <xs:group ref="mathml:merror_2"/>
-            <xs:group ref="mathml:mpadded_2"/>
-            <xs:group ref="mathml:mphantom_2"/>
-            <xs:group ref="mathml:mfenced_2"/>
-            <xs:group ref="mathml:msub_2"/>
-            <xs:group ref="mathml:msup_2"/>
-            <xs:group ref="mathml:msubsup_2"/>
-            <xs:group ref="mathml:munder_2"/>
-            <xs:group ref="mathml:mover_2"/>
-            <xs:group ref="mathml:munderover_2"/>
-            <xs:group ref="mathml:mmultiscripts_2"/>
-            <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
+            <xs:group ref="mathml:ms"/>
             <xs:element ref="mathml:maligngroup"/>
             <xs:element ref="mathml:malignmark"/>
-            <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:mrow"/>
+            <xs:group ref="mathml:mfrac"/>
+            <xs:group ref="mathml:msqrt"/>
+            <xs:group ref="mathml:mroot"/>
+            <xs:group ref="mathml:mstyle"/>
+            <xs:group ref="mathml:merror"/>
+            <xs:group ref="mathml:mpadded"/>
+            <xs:group ref="mathml:mphantom"/>
+            <xs:group ref="mathml:mfenced"/>
+            <xs:group ref="mathml:menclose"/>
+            <xs:group ref="mathml:msub"/>
+            <xs:group ref="mathml:msup"/>
+            <xs:group ref="mathml:msubsup"/>
+            <xs:group ref="mathml:munder"/>
+            <xs:group ref="mathml:mover"/>
+            <xs:group ref="mathml:munderover"/>
+            <xs:group ref="mathml:mmultiscripts"/>
+            <xs:group ref="mathml:mtable"/>
+            <xs:group ref="mathml:mstack"/>
+            <xs:group ref="mathml:mlongdiv"/>
+            <xs:group ref="mathml:maction"/>
+            <xs:group ref="mathml:semantics_2"/>
+            <xs:element ref="mathml:none"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
+          <xs:attribute name="id" type="xs:ID"/>
+          <xs:attribute name="xref"/>
           <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
+          <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
+        </xs:complexType>
+      </xs:element>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="seealso_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:seealso1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="meaning_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:meaning1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="section_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:section1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="subfigure_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:subfigure1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="tgroup_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:tgroup1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="statement_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:statement1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="proof_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:proof1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="problem_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:problem1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="solution_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:solution1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="commentary_2">
+    <xs:sequence>
+      <xs:group ref="cnxml:commentary1"/>
+    </xs:sequence>
+  </xs:group>
+  <xs:group name="_2">
+    <xs:choice>
+      <xs:any namespace="##other" processContents="skip"/>
+      <xs:any namespace="##local" processContents="skip"/>
+    </xs:choice>
+  </xs:group>
+  <xs:group name="semantics_6">
+    <xs:sequence>
+      <xs:element name="semantics">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:choice>
+              <xs:group ref="mathml:ci_2"/>
+              <xs:group ref="mathml:semantics_6"/>
+            </xs:choice>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element ref="mathml:annotation"/>
+              <xs:group ref="mathml:annotation-xml_2"/>
+            </xs:choice>
+          </xs:sequence>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="encoding" type="xs:string"/>
+          <xs:attribute name="definitionURL" type="xs:anyURI"/>
+          <xs:attribute name="cd" type="xs:NCName"/>
+          <xs:attribute name="name" type="xs:NCName"/>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="piece_2">
+  <xs:group name="mtd_2">
     <xs:sequence>
-      <xs:element name="piece">
+      <xs:element name="mtd">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:semantics_3"/>
             <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
             <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
             <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
+            <xs:group ref="mathml:fn_2"/>
             <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -16410,86 +37080,53 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi_2"/>
             <xs:group ref="mathml:mn_2"/>
             <xs:group ref="mathml:mo_2"/>
             <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow_2"/>
             <xs:group ref="mathml:mfrac_2"/>
             <xs:group ref="mathml:msqrt_2"/>
             <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:mstyle_2"/>
             <xs:group ref="mathml:merror_2"/>
             <xs:group ref="mathml:mpadded_2"/>
             <xs:group ref="mathml:mphantom_2"/>
             <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:msub_2"/>
             <xs:group ref="mathml:msup_2"/>
             <xs:group ref="mathml:msubsup_2"/>
@@ -16498,86 +37135,179 @@
             <xs:group ref="mathml:munderover_2"/>
             <xs:group ref="mathml:mmultiscripts_2"/>
             <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
             <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="rowspan" type="xs:positiveInteger"/>
+          <xs:attribute name="columnspan" type="xs:positiveInteger"/>
+          <xs:attribute name="rowalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="top"/>
+                <xs:enumeration value="bottom"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="baseline"/>
+                <xs:enumeration value="axis"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="columnalign">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="left"/>
+                <xs:enumeration value="center"/>
+                <xs:enumeration value="right"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="groupalign">
+            <xs:simpleType>
+              <xs:restriction>
+                <xs:simpleType>
+                  <xs:list>
+                    <xs:simpleType>
+                      <xs:restriction base="xs:token">
+                        <xs:enumeration value="left"/>
+                        <xs:enumeration value="center"/>
+                        <xs:enumeration value="right"/>
+                        <xs:enumeration value="decimalpoint"/>
+                      </xs:restriction>
+                    </xs:simpleType>
+                  </xs:list>
+                </xs:simpleType>
+                <xs:minLength value="1"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="otherwise_2">
+  <xs:group name="mscarry_2">
     <xs:sequence>
-      <xs:element name="otherwise">
+      <xs:element name="mscarry">
         <xs:complexType>
           <xs:choice minOccurs="0" maxOccurs="unbounded">
-            <xs:group ref="mathml:csymbol_2"/>
-            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:semantics_3"/>
             <xs:group ref="mathml:cn_2"/>
+            <xs:group ref="mathml:ci_2"/>
+            <xs:group ref="mathml:csymbol_2"/>
             <xs:group ref="mathml:apply_2"/>
+            <xs:group ref="mathml:bind_2"/>
+            <xs:element ref="mathml:share"/>
+            <xs:group ref="mathml:cerror_2"/>
+            <xs:element ref="mathml:cbytes"/>
+            <xs:element ref="mathml:cs"/>
+            <xs:group ref="mathml:piecewise_2"/>
             <xs:group ref="mathml:reln_2"/>
-            <xs:group ref="mathml:lambda_2"/>
-            <xs:group ref="mathml:condition_2"/>
+            <xs:group ref="mathml:fn_2"/>
             <xs:group ref="mathml:declare_2"/>
-            <xs:element ref="mathml:sep"/>
-            <xs:group ref="mathml:semantics_2"/>
-            <xs:element ref="mathml:annotation"/>
-            <xs:group ref="mathml:annotation-xml_2"/>
-            <xs:element ref="mathml:integers"/>
-            <xs:element ref="mathml:reals"/>
-            <xs:element ref="mathml:rationals"/>
-            <xs:element ref="mathml:naturalnumbers"/>
-            <xs:element ref="mathml:complexes"/>
-            <xs:element ref="mathml:primes"/>
-            <xs:element ref="mathml:exponentiale"/>
-            <xs:element ref="mathml:imaginaryi"/>
-            <xs:element ref="mathml:notanumber"/>
-            <xs:element ref="mathml:true"/>
-            <xs:element ref="mathml:false"/>
-            <xs:element ref="mathml:emptyset"/>
-            <xs:element ref="mathml:pi"/>
-            <xs:element ref="mathml:eulergamma"/>
-            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:interval_2"/>
-            <xs:group ref="mathml:list_6"/>
-            <xs:group ref="mathml:matrix_2"/>
-            <xs:group ref="mathml:matrixrow_2"/>
-            <xs:group ref="mathml:set_2"/>
-            <xs:group ref="mathml:vector_2"/>
-            <xs:group ref="mathml:piecewise_2"/>
-            <xs:group ref="mathml:lowlimit_2"/>
-            <xs:group ref="mathml:uplimit_2"/>
-            <xs:group ref="mathml:bvar_2"/>
-            <xs:group ref="mathml:degree_2"/>
-            <xs:group ref="mathml:logbase_2"/>
-            <xs:group ref="mathml:momentabout_2"/>
-            <xs:group ref="mathml:domainofapplication_2"/>
             <xs:element ref="mathml:inverse"/>
             <xs:element ref="mathml:ident"/>
             <xs:element ref="mathml:domain"/>
             <xs:element ref="mathml:codomain"/>
             <xs:element ref="mathml:image"/>
+            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:log"/>
+            <xs:element ref="mathml:moment"/>
+            <xs:group ref="mathml:lambda_2"/>
+            <xs:element ref="mathml:compose"/>
+            <xs:element ref="mathml:quotient"/>
+            <xs:element ref="mathml:divide"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:power"/>
+            <xs:element ref="mathml:rem"/>
+            <xs:element ref="mathml:root"/>
+            <xs:element ref="mathml:factorial"/>
+            <xs:element ref="mathml:minus"/>
+            <xs:element ref="mathml:root"/>
             <xs:element ref="mathml:abs"/>
             <xs:element ref="mathml:conjugate"/>
-            <xs:element ref="mathml:exp"/>
-            <xs:element ref="mathml:factorial"/>
             <xs:element ref="mathml:arg"/>
             <xs:element ref="mathml:real"/>
             <xs:element ref="mathml:imaginary"/>
             <xs:element ref="mathml:floor"/>
             <xs:element ref="mathml:ceiling"/>
+            <xs:element ref="mathml:exp"/>
+            <xs:element ref="mathml:max"/>
+            <xs:element ref="mathml:min"/>
+            <xs:element ref="mathml:plus"/>
+            <xs:element ref="mathml:times"/>
+            <xs:element ref="mathml:gcd"/>
+            <xs:element ref="mathml:lcm"/>
+            <xs:element ref="mathml:and"/>
+            <xs:element ref="mathml:or"/>
+            <xs:element ref="mathml:xor"/>
             <xs:element ref="mathml:not"/>
-            <xs:element ref="mathml:ln"/>
+            <xs:element ref="mathml:implies"/>
+            <xs:element ref="mathml:equivalent"/>
+            <xs:element ref="mathml:forall"/>
+            <xs:element ref="mathml:exists"/>
+            <xs:element ref="mathml:eq"/>
+            <xs:element ref="mathml:gt"/>
+            <xs:element ref="mathml:lt"/>
+            <xs:element ref="mathml:geq"/>
+            <xs:element ref="mathml:leq"/>
+            <xs:element ref="mathml:neq"/>
+            <xs:element ref="mathml:approx"/>
+            <xs:element ref="mathml:factorof"/>
+            <xs:element ref="mathml:tendsto"/>
+            <xs:element ref="mathml:int"/>
+            <xs:element ref="mathml:diff"/>
+            <xs:element ref="mathml:partialdiff"/>
+            <xs:element ref="mathml:divergence"/>
+            <xs:element ref="mathml:grad"/>
+            <xs:element ref="mathml:curl"/>
+            <xs:element ref="mathml:laplacian"/>
+            <xs:group ref="mathml:set_2"/>
+            <xs:group ref="mathml:list_6"/>
+            <xs:element ref="mathml:union"/>
+            <xs:element ref="mathml:intersect"/>
+            <xs:element ref="mathml:cartesianproduct"/>
+            <xs:element ref="mathml:in"/>
+            <xs:element ref="mathml:notin"/>
+            <xs:element ref="mathml:notsubset"/>
+            <xs:element ref="mathml:notprsubset"/>
+            <xs:element ref="mathml:setdiff"/>
+            <xs:element ref="mathml:subset"/>
+            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:card"/>
+            <xs:element ref="mathml:sum"/>
+            <xs:element ref="mathml:product"/>
+            <xs:element ref="mathml:limit"/>
             <xs:element ref="mathml:sin"/>
             <xs:element ref="mathml:cos"/>
             <xs:element ref="mathml:tan"/>
@@ -16602,86 +37332,53 @@
             <xs:element ref="mathml:arcsech"/>
             <xs:element ref="mathml:arcsinh"/>
             <xs:element ref="mathml:arctanh"/>
-            <xs:element ref="mathml:determinant"/>
-            <xs:element ref="mathml:transpose"/>
-            <xs:element ref="mathml:card"/>
-            <xs:element ref="mathml:quotient"/>
-            <xs:element ref="mathml:divide"/>
-            <xs:element ref="mathml:power"/>
-            <xs:element ref="mathml:rem"/>
-            <xs:element ref="mathml:implies"/>
-            <xs:element ref="mathml:vectorproduct"/>
-            <xs:element ref="mathml:scalarproduct"/>
-            <xs:element ref="mathml:outerproduct"/>
-            <xs:element ref="mathml:setdiff"/>
-            <xs:group ref="mathml:fn_2"/>
-            <xs:element ref="mathml:compose"/>
-            <xs:element ref="mathml:plus"/>
-            <xs:element ref="mathml:times"/>
-            <xs:element ref="mathml:max"/>
-            <xs:element ref="mathml:min"/>
-            <xs:element ref="mathml:gcd"/>
-            <xs:element ref="mathml:lcm"/>
-            <xs:element ref="mathml:and"/>
-            <xs:element ref="mathml:or"/>
-            <xs:element ref="mathml:xor"/>
-            <xs:element ref="mathml:union"/>
-            <xs:element ref="mathml:intersect"/>
-            <xs:element ref="mathml:cartesianproduct"/>
             <xs:element ref="mathml:mean"/>
             <xs:element ref="mathml:sdev"/>
             <xs:element ref="mathml:variance"/>
             <xs:element ref="mathml:median"/>
             <xs:element ref="mathml:mode"/>
+            <xs:group ref="mathml:vector_2"/>
+            <xs:group ref="mathml:matrix_2"/>
+            <xs:group ref="mathml:matrixrow_2"/>
+            <xs:element ref="mathml:determinant"/>
+            <xs:element ref="mathml:transpose"/>
             <xs:element ref="mathml:selector"/>
-            <xs:element ref="mathml:root"/>
-            <xs:element ref="mathml:minus"/>
-            <xs:element ref="mathml:log"/>
-            <xs:element ref="mathml:int"/>
-            <xs:element ref="mathml:diff"/>
-            <xs:element ref="mathml:partialdiff"/>
-            <xs:element ref="mathml:divergence"/>
-            <xs:element ref="mathml:grad"/>
-            <xs:element ref="mathml:curl"/>
-            <xs:element ref="mathml:laplacian"/>
-            <xs:element ref="mathml:sum"/>
-            <xs:element ref="mathml:product"/>
-            <xs:element ref="mathml:limit"/>
-            <xs:element ref="mathml:moment"/>
-            <xs:element ref="mathml:exists"/>
-            <xs:element ref="mathml:forall"/>
-            <xs:element ref="mathml:neq"/>
-            <xs:element ref="mathml:factorof"/>
-            <xs:element ref="mathml:in"/>
-            <xs:element ref="mathml:notin"/>
-            <xs:element ref="mathml:notsubset"/>
-            <xs:element ref="mathml:notprsubset"/>
-            <xs:element ref="mathml:tendsto"/>
-            <xs:element ref="mathml:eq"/>
-            <xs:element ref="mathml:leq"/>
-            <xs:element ref="mathml:lt"/>
-            <xs:element ref="mathml:geq"/>
-            <xs:element ref="mathml:gt"/>
-            <xs:element ref="mathml:equivalent"/>
-            <xs:element ref="mathml:approx"/>
-            <xs:element ref="mathml:subset"/>
-            <xs:element ref="mathml:prsubset"/>
+            <xs:element ref="mathml:vectorproduct"/>
+            <xs:element ref="mathml:scalarproduct"/>
+            <xs:element ref="mathml:outerproduct"/>
+            <xs:element ref="mathml:integers"/>
+            <xs:element ref="mathml:reals"/>
+            <xs:element ref="mathml:rationals"/>
+            <xs:element ref="mathml:naturalnumbers"/>
+            <xs:element ref="mathml:complexes"/>
+            <xs:element ref="mathml:primes"/>
+            <xs:element ref="mathml:emptyset"/>
+            <xs:element ref="mathml:exponentiale"/>
+            <xs:element ref="mathml:imaginaryi"/>
+            <xs:element ref="mathml:notanumber"/>
+            <xs:element ref="mathml:true"/>
+            <xs:element ref="mathml:false"/>
+            <xs:element ref="mathml:pi"/>
+            <xs:element ref="mathml:eulergamma"/>
+            <xs:element ref="mathml:infinity"/>
             <xs:group ref="mathml:mi_2"/>
             <xs:group ref="mathml:mn_2"/>
             <xs:group ref="mathml:mo_2"/>
             <xs:group ref="mathml:mtext_2"/>
-            <xs:group ref="mathml:ms_2"/>
             <xs:element ref="mathml:mspace"/>
+            <xs:group ref="mathml:ms_2"/>
+            <xs:element ref="mathml:maligngroup"/>
+            <xs:element ref="mathml:malignmark"/>
             <xs:group ref="mathml:mrow_2"/>
             <xs:group ref="mathml:mfrac_2"/>
             <xs:group ref="mathml:msqrt_2"/>
             <xs:group ref="mathml:mroot_2"/>
-            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:mstyle_2"/>
             <xs:group ref="mathml:merror_2"/>
             <xs:group ref="mathml:mpadded_2"/>
             <xs:group ref="mathml:mphantom_2"/>
             <xs:group ref="mathml:mfenced_2"/>
+            <xs:group ref="mathml:menclose_2"/>
             <xs:group ref="mathml:msub_2"/>
             <xs:group ref="mathml:msup_2"/>
             <xs:group ref="mathml:msubsup_2"/>
@@ -16690,79 +37387,75 @@
             <xs:group ref="mathml:munderover_2"/>
             <xs:group ref="mathml:mmultiscripts_2"/>
             <xs:group ref="mathml:mtable_2"/>
-            <xs:group ref="mathml:mtr_2"/>
-            <xs:group ref="mathml:mlabeledtr_2"/>
-            <xs:group ref="mathml:mtd_2"/>
-            <xs:element ref="mathml:maligngroup"/>
-            <xs:element ref="mathml:malignmark"/>
+            <xs:group ref="mathml:mstack_2"/>
+            <xs:group ref="mathml:mlongdiv_2"/>
             <xs:group ref="mathml:maction_2"/>
+            <xs:group ref="mathml:semantics_4"/>
+            <xs:element ref="mathml:none"/>
           </xs:choice>
-          <xs:attribute ref="xlink:href"/>
-          <xs:attribute ref="xlink:type"/>
-          <xs:attribute name="class" type="xs:NMTOKENS"/>
-          <xs:attribute name="style"/>
           <xs:attribute name="id" type="xs:ID"/>
-          <xs:attribute name="xref" type="xs:IDREF"/>
+          <xs:attribute name="xref"/>
+          <xs:attribute name="class" type="xs:NMTOKENS"/>
+          <xs:attribute name="style" type="xs:string"/>
+          <xs:attribute name="href" type="xs:anyURI"/>
           <xs:attribute name="other"/>
+          <xs:attribute name="mathcolor">
+            <xs:simpleType>
+              <xs:restriction base="xs:string">
+                <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="mathbackground">
+            <xs:simpleType>
+              <xs:union>
+                <xs:simpleType>
+                  <xs:restriction base="xs:string">
+                    <xs:pattern value="\s*((#[0-9a-fA-F]{3}([0-9a-fA-F]{3})?)|[aA][qQ][uU][aA]|[bB][lL][aA][cC][kK]|[bB][lL][uU][eE]|[fF][uU][cC][hH][sS][iI][aA]|[gG][rR][aA][yY]|[gG][rR][eE][eE][nN]|[lL][iI][mM][eE]|[mM][aA][rR][oO][oO][nN]|[nN][aA][vV][yY]|[oO][lL][iI][vV][eE]|[pP][uU][rR][pP][lL][eE]|[rR][eE][dD]|[sS][iI][lL][vV][eE][rR]|[tT][eE][aA][lL]|[wW][hH][iI][tT][eE]|[yY][eE][lL][lL][oO][wW])\s*"/>
+                  </xs:restriction>
+                </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="transparent"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:union>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="location">
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="w"/>
+                <xs:enumeration value="nw"/>
+                <xs:enumeration value="n"/>
+                <xs:enumeration value="ne"/>
+                <xs:enumeration value="e"/>
+                <xs:enumeration value="se"/>
+                <xs:enumeration value="s"/>
+                <xs:enumeration value="sw"/>
+              </xs:restriction>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:attribute name="crossout">
+            <xs:simpleType>
+              <xs:list>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="none"/>
+                    <xs:enumeration value="updiagonalstrike"/>
+                    <xs:enumeration value="downdiagonalstrike"/>
+                    <xs:enumeration value="verticalstrike"/>
+                    <xs:enumeration value="horizontalstrike"/>
+                  </xs:restriction>
+                </xs:simpleType>
+              </xs:list>
+            </xs:simpleType>
+          </xs:attribute>
+          <xs:anyAttribute namespace="##other" processContents="skip"/>
         </xs:complexType>
       </xs:element>
     </xs:sequence>
   </xs:group>
-  <xs:group name="row">
-    <xs:sequence>
-      <xs:group ref="cnxml:row"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="seealso_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:seealso1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="meaning_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:meaning1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="section_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:section1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="subfigure_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:subfigure1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="tgroup_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:tgroup1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="statement_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:statement1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="proof_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:proof1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="problem_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:problem1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="solution_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:solution1"/>
-    </xs:sequence>
-  </xs:group>
-  <xs:group name="commentary_2">
-    <xs:sequence>
-      <xs:group ref="cnxml:commentary1"/>
-    </xs:sequence>
-  </xs:group>
   <xs:group name="entry_2">
     <xs:sequence>
       <xs:group ref="cnxml:entry"/>
diff --git a/client/static/xsd/mdml.xsd b/client/static/xsd/mdml.xsd
index cf2af40b..cb0029b7 100644
--- a/client/static/xsd/mdml.xsd
+++ b/client/static/xsd/mdml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/mdml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/mdml" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:element name="content-id" type="xs:string"/>
diff --git a/client/static/xsd/ns1.xsd b/client/static/xsd/ns1.xsd
index d10f3833..90576c27 100644
--- a/client/static/xsd/ns1.xsd
+++ b/client/static/xsd/ns1.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -9,7 +9,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:attribute name="color"/>
   <xs:attribute name="font-style"/>
diff --git a/client/static/xsd/ns2.xsd b/client/static/xsd/ns2.xsd
index 6dd3c982..7c91f3b0 100644
--- a/client/static/xsd/ns2.xsd
+++ b/client/static/xsd/ns2.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://bibtexml.sf.net/" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://bibtexml.sf.net/" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/mdml" schemaLocation="mdml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:element name="file">
diff --git a/client/static/xsd/qml.xsd b/client/static/xsd/qml.xsd
index 989537cc..8c6829a8 100644
--- a/client/static/xsd/qml.xsd
+++ b/client/static/xsd/qml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/qml/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/qml/1.0" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:element name="problemset">
diff --git a/client/static/xsd/s.xsd b/client/static/xsd/s.xsd
index 73a5cd97..19241cf0 100644
--- a/client/static/xsd/s.xsd
+++ b/client/static/xsd/s.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/system-info" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://cnx.rice.edu/system-info" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -8,7 +8,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:attribute name="read-only" type="xs:string"/>
diff --git a/client/static/xsd/trang.patch b/client/static/xsd/trang.patch
index fb99ccb1..aa193ecc 100644
--- a/client/static/xsd/trang.patch
+++ b/client/static/xsd/trang.patch
@@ -140,3 +140,81 @@ index ad83744..a54a24a 100644
    <xs:group name="content-id">
      <xs:sequence>
        <xs:element name="content-id">
+diff --git a/mathml.xsd b/mathml.xsd
+index bf61b8f..72fcf53 100644
+--- a/client/static/xsd/mathml.xsd
++++ b/client/static/xsd/mathml.xsd
+@@ -3071,6 +3071,36 @@
+               <xs:element ref="mathml:pi"/>
+               <xs:element ref="mathml:eulergamma"/>
+               <xs:element ref="mathml:infinity"/>
++              <xs:group ref="mathml:mi"/>
++              <xs:group ref="mathml:mn"/>
++              <xs:group ref="mathml:mo"/>
++              <xs:group ref="mathml:mtext"/>
++              <xs:element ref="mathml:mspace"/>
++              <xs:group ref="mathml:ms"/>
++              <xs:element ref="mathml:maligngroup"/>
++              <xs:element ref="mathml:malignmark"/>
++              <xs:group ref="mathml:mrow"/>
++              <xs:group ref="mathml:mfrac"/>
++              <xs:group ref="mathml:msqrt"/>
++              <xs:group ref="mathml:mroot"/>
++              <xs:group ref="mathml:mstyle"/>
++              <xs:group ref="mathml:merror"/>
++              <xs:group ref="mathml:mpadded"/>
++              <xs:group ref="mathml:mphantom"/>
++              <xs:group ref="mathml:mfenced"/>
++              <xs:group ref="mathml:menclose"/>
++              <xs:group ref="mathml:msub"/>
++              <xs:group ref="mathml:msup"/>
++              <xs:group ref="mathml:msubsup"/>
++              <xs:group ref="mathml:munder"/>
++              <xs:group ref="mathml:mover"/>
++              <xs:group ref="mathml:munderover"/>
++              <xs:group ref="mathml:mmultiscripts"/>
++              <xs:group ref="mathml:mtable"/>
++              <xs:group ref="mathml:mstack"/>
++              <xs:group ref="mathml:mlongdiv"/>
++              <xs:group ref="mathml:maction"/>
++              <xs:group ref="mathml:semantics_2"/>
+             </xs:choice>
+             <xs:choice minOccurs="0" maxOccurs="unbounded">
+               <xs:element ref="mathml:annotation"/>
+@@ -17973,6 +18003,36 @@
+               <xs:element ref="mathml:pi"/>
+               <xs:element ref="mathml:eulergamma"/>
+               <xs:element ref="mathml:infinity"/>
++              <xs:group ref="mathml:mi"/>
++              <xs:group ref="mathml:mn"/>
++              <xs:group ref="mathml:mo"/>
++              <xs:group ref="mathml:mtext"/>
++              <xs:element ref="mathml:mspace"/>
++              <xs:group ref="mathml:ms"/>
++              <xs:element ref="mathml:maligngroup"/>
++              <xs:element ref="mathml:malignmark"/>
++              <xs:group ref="mathml:mrow"/>
++              <xs:group ref="mathml:mfrac"/>
++              <xs:group ref="mathml:msqrt"/>
++              <xs:group ref="mathml:mroot"/>
++              <xs:group ref="mathml:mstyle"/>
++              <xs:group ref="mathml:merror"/>
++              <xs:group ref="mathml:mpadded"/>
++              <xs:group ref="mathml:mphantom"/>
++              <xs:group ref="mathml:mfenced"/>
++              <xs:group ref="mathml:menclose"/>
++              <xs:group ref="mathml:msub"/>
++              <xs:group ref="mathml:msup"/>
++              <xs:group ref="mathml:msubsup"/>
++              <xs:group ref="mathml:munder"/>
++              <xs:group ref="mathml:mover"/>
++              <xs:group ref="mathml:munderover"/>
++              <xs:group ref="mathml:mmultiscripts"/>
++              <xs:group ref="mathml:mtable"/>
++              <xs:group ref="mathml:mstack"/>
++              <xs:group ref="mathml:mlongdiv"/>
++              <xs:group ref="mathml:maction"/>
++              <xs:group ref="mathml:semantics_2"/>
+             </xs:choice>
+             <xs:choice minOccurs="0" maxOccurs="unbounded">
+               <xs:element ref="mathml:annotation"/>
diff --git a/client/static/xsd/xlink.xsd b/client/static/xsd/xlink.xsd
deleted file mode 100644
index 08a3f627..00000000
--- a/client/static/xsd/xlink.xsd
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/1999/xlink" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
-  <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
-  <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
-  <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
-  <xs:import namespace="http://cnx.rice.edu/mdml" schemaLocation="mdml.xsd"/>
-  <xs:import namespace="http://cnx.rice.edu/qml/1.0" schemaLocation="qml.xsd"/>
-  <xs:import namespace="http://cnx.rice.edu/system-info" schemaLocation="s.xsd"/>
-  <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
-  <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
-  <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
-  <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
-  <xs:attribute name="href" type="xs:anyURI"/>
-  <xs:attribute name="type">
-    <xs:simpleType>
-      <xs:restriction base="xs:token">
-        <xs:enumeration value="simple"/>
-        <xs:enumeration value="none"/>
-      </xs:restriction>
-    </xs:simpleType>
-  </xs:attribute>
-</xs:schema>
diff --git a/client/static/xsd/xml.xsd b/client/static/xsd/xml.xsd
index acf718b6..38c3b8ed 100644
--- a/client/static/xsd/xml.xsd
+++ b/client/static/xsd/xml.xsd
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/XML/1998/namespace" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mdml="http://cnx.rice.edu/mdml">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.w3.org/XML/1998/namespace" xmlns:cxlxt="http://katalysteducation.org/cxlxt/1.0" xmlns:collxml="http://cnx.rice.edu/collxml" xmlns:s="http://cnx.rice.edu/system-info" xmlns:cnxml="http://cnx.rice.edu/cnxml" xmlns:ns1="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:cmlnle="http://katalysteducation.org/cmlnle/1.0" xmlns:ns2="http://bibtexml.sf.net/" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:qml="http://cnx.rice.edu/qml/1.0" xmlns:mdml="http://cnx.rice.edu/mdml">
   <xs:import namespace="http://bibtexml.sf.net/" schemaLocation="ns2.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/cnxml" schemaLocation="cnxml.xsd"/>
   <xs:import namespace="http://cnx.rice.edu/collxml" schemaLocation="collxml.xsd"/>
@@ -9,7 +9,6 @@
   <xs:import namespace="http://katalysteducation.org/cmlnle/1.0" schemaLocation="cmlnle.xsd"/>
   <xs:import namespace="http://katalysteducation.org/cxlxt/1.0" schemaLocation="cxlxt.xsd"/>
   <xs:import namespace="http://www.w3.org/1998/Math/MathML" schemaLocation="mathml.xsd"/>
-  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd"/>
   <xs:import namespace="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" schemaLocation="ns1.xsd"/>
   <xs:attribute name="lang"/>
 </xs:schema>