Add module scripts (#469)

* CSP integrations for Issue #201

Had to adapt "resulting URL record" -> "resulting parsed URL" (will fix
with changes to 2.5.2 eventually)

* Update refs to CSP3 (from CSP1 Note) for Issue #191

Also fix typo 'teh'

* Groundwork for realms #190 and scripting updates #165, #189

Importing dependent changes since last sync of WHATWG in mid-Jan.
Added JS-related terms

* intermediate: translated definitions in scripting section

* Imports 3 fetch script algorithms
and reorders a few sections to match WHATWG

* add algorithms for script creation

* WIP: Syncing changes through event handler section

* webappapi include mostly synced. script element section remains

* syncing changes for the script element

* pulling in more required sections for linking issues

* Further reducing linking issues

* fixes more linking issues

* Finally builds CLEAN!

* Adding some missing CSP changes

* Adding a few more CSP dependencies

* All CSP changes validated and builds clean

* removing tables from dt elements for readability

* Fix a minor bad merge issue

sections/browsers.include

@@ -677,6 +677,10 @@
       : The <a>realm execution context</a>
       :: Return <var>execution context</var>.
 
+      : The <a>module map</a>
+      :: Return the <a lt="document module map">module map</a> of the {{Document}} with which 
+          <var>window</var> is currently associated.
+
       : The <a>responsible browsing context</a>
       :: Return the <a>browsing context</a> with which <var>window</var> is associated.
 
@@ -3869,7 +3873,7 @@
              object.
           * Let <var>realm execution context</var> be the created
              <a>JavaScript execution context</a>.
-          * Do not obtain any source texts for scripts.
+          * Do not obtain any source texts for scripts or modules.
       2. <a>Set up a browsing context environment settings object</a> with
           <var>realm execution context</var>, and let <var>settings object</var> be the result.
       3. Set <var>window</var>'s

sections/dom.include

@@ -134,6 +134,9 @@
   <a>Content Security Policy</a> objects active in this context. The list is empty unless otherwise
   specified.
 
+  The {{Document}} has a <dfn lt="document module map">module map</dfn>, which is a 
+  <a>module map</a>, initially empty.
+
 <h4 id="resource-metadata-management">Resource metadata management</h4>
 
   <dl class="domintro">
@@ -1576,9 +1579,9 @@
     indirectly through the "<code>bogus</code>" element.
 
     <pre class="bad">
-      &lt;div xmlns="https://www.w3.org/1999/xhtml" dir="rtl">
+      &lt;div xmlns="http://www.w3.org/1999/xhtml" dir="rtl">
         &lt;bogus xmlns="https://example.net/ns" dir="ltr">
-          &lt;span xmlns="https://www.w3.org/1999/xhtml">
+          &lt;span xmlns="http://www.w3.org/1999/xhtml">
           &lt;/span>
         &lt;/bogus>
       &lt;/div>
@@ -1683,13 +1686,13 @@
 
   In <a>HTML documents</a>, elements in the <a>HTML namespace</a> may have an <code>xmlns</code>
   attribute specified, if, and only if, it has the exact value
-  "<code>https://www.w3.org/1999/xhtml</code>". This does not apply to <a>XML documents</a>.
+  "<code>http://www.w3.org/1999/xhtml</code>". This does not apply to <a>XML documents</a>.
 
   <p class="note">
     In HTML, the <code>xmlns</code> attribute has absolutely no effect. It is basically a talisman.
     It is allowed merely to make migration to and from XHTML mildly easier. When parsed by an
     <a>HTML parser</a>, the attribute ends up in no namespace, not the
-    "<code>https://www.w3.org/2000/xmlns/</code>" namespace like namespace declaration attributes in
+    "<code>http://www.w3.org/2000/xmlns/</code>" namespace like namespace declaration attributes in
     XML do.
   </p>
 

sections/infrastructure.include

@@ -114,12 +114,12 @@
 <h4 id="xml">XML</h4>
 
   To ease migration from HTML to XHTML, user agents conforming to this specification will place elements in
-  HTML in the <code>https://www.w3.org/1999/xhtml</code> namespace, at least for the purposes of the
+  HTML in the <code>http://www.w3.org/1999/xhtml</code> namespace, at least for the purposes of the
   DOM and CSS. The term "<dfn lt="html element|html elements">HTML elements</dfn>", when used in this specification, refers to any
   element in that namespace, and thus refers to both HTML and XHTML elements.
 
   Except where otherwise stated, all elements defined or mentioned in this specification are in the
-  <a>HTML namespace</a> ("<code>https://www.w3.org/1999/xhtml</code>"), and all attributes defined or
+  <a>HTML namespace</a> ("<code>http://www.w3.org/1999/xhtml</code>"), and all attributes defined or
   mentioned in this specification have no namespace.
 
   The term <dfn>element type</dfn> is used to refer to the set of elements that have a given local
@@ -831,11 +831,14 @@
           * <a>%ObjProto_toString%</a>
           * <a>%ObjProto_valueOf%</a>
        * The <a>FunctionBody</a> production
+       * The <a>Module</a> production
        * The <a>Pattern</a> production
        * The <a for="ecma">Script</a> production
        * The <a for="ecma">Type</a> notation
        * The <a for="ecma">List</a> and <a>Record</a> specification types
        * The <a>Property Descriptor</a> specification type
+       * The <a>Source Text Module Record</a> specification type and its <a>ModuleEvaluation</a> 
+          and <a>ModuleDeclarationInstantiation</a> methods
        * The <a>ArrayCreate</a> abstract operation
        * The <a>Call</a> abstract operation
        * The <a>CloneArrayBuffer</a> abstract operation
@@ -850,6 +853,7 @@
        * The <a>HasOwnProperty</a> abstract operation
        * The <a>HostEnsureCanCompileStrings</a> abstract operation
        * The <a>HostPromiseRejectionTracker</a> abstract operation
+       * The <a>HostResolveImportedModule</a> abstract operation
        * The <a>InitializeHostDefinedRealm</a> abstract operation
        * The <a>IsAccessorDescriptor</a> abstract operation
        * The <a>IsCallable</a> abstract operation
@@ -867,6 +871,7 @@
        * The <a>OrdinarySet</a> abstract operation
        * The <a>OrdinaryDelete</a> abstract operation
        * The <a>OrdinaryOwnPropertyKeys</a> abstract operation
+       * The <a>ParseModule</a> abstract operation
        * The <a>ParseScript</a> abstract operation
        * The <a>RunJobs</a> abstract operation
        * The <a>SameValue</a> abstract operation
@@ -1537,7 +1542,7 @@
     determined in the following way:
 
     1. If the context node is from an HTML DOM, the default element namespace is
-        "https://www.w3.org/1999/xhtml".
+        "http://www.w3.org/1999/xhtml".
     2. Otherwise, the default element namespace URI is null.
 
     <p class="note">

sections/obsolete.include

@@ -46,7 +46,7 @@
     DOCTYPE</a> will also trigger a warning.
   </p>
 
-    <h4 id="warnings-for-obsolete-but-conforming-features">Warnings for obsolete but conforming features</h4>
+  <h4 id="warnings-for-obsolete-but-conforming-features">Warnings for obsolete but conforming features</h4>
 
   To ease the transition from HTML Transitional documents to the language defined in <em>this</em>
   specification, and to discourage certain features that are only allowed in very few circumstances,
@@ -55,9 +55,9 @@
   between likely mistakes (regular conformance errors) and mere vestigial markup or unusual and
   discouraged practices (these warnings).
 
-    The following features must be categorized as described above:
+  The following features must be categorized as described above:
 
-    * The presence of an <a>obsolete permitted DOCTYPE</a> in an <a>HTML document</a>.
+  * The presence of an <a>obsolete permitted DOCTYPE</a> in an <a>HTML document</a>.
 
   * The presence of a <{img/border}> attribute on an <{img}> element if its value is the string
     "<code>0</code>".
@@ -79,10 +79,10 @@
   of these obsolete features, and pages that have no conformance errors but do have some of these
   obsolete features.
 
-    <p class="example">
+  <p class="example">
     For example, a validator could report some pages as "Valid HTML" and others as "Valid HTML with
     warnings".
-    </p>
+  </p>
 
 <h3 id="non-conforming-features">Non-conforming features</h3>
 

sections/semantics-embedded-content.include

@@ -4401,7 +4401,7 @@ attribute's value is a type that a <a>plugin</a> supports, then the value of the
 
   At least one of either the <code>data</code> attribute or the <code>type</code> attribute must be present.
 
-  The <dfn element-attr for="object"><code>typeMustMatch</code></dfn> attribute is a
+  The <dfn element-attr for="object"><code>typemustmatch</code></dfn> attribute is a
   <a>boolean attribute</a> whose presence indicates that the resource specified by the <code>data</code> attribute is only to be used if the value of the <code>type</code> attribute and the <a>Content-Type</a> of the
   aforementioned resource match.