diff --git a/doc/background/special_tut.qbk b/doc/background/special_tut.qbk
index 9a45824f68..9c311e01bb 100644
--- a/doc/background/special_tut.qbk
+++ b/doc/background/special_tut.qbk
@@ -373,7 +373,7 @@ Now we just need to write the test driver program, at it's most basic it looks s
       std::cout << "<note>The long double tests have been disabled on this platform "
          "either because the long double overloads of the usual math functions are "
          "not available at all, or because they are too inaccurate for these tests "
-         "to pass.</note>" << std::cout;
+         "to pass.</note>" << std::endl;
    #endif
    }
 
diff --git a/include/boost/math/distributions/fwd.hpp b/include/boost/math/distributions/fwd.hpp
index ccb3c0cd1b..c231be418d 100644
--- a/include/boost/math/distributions/fwd.hpp
+++ b/include/boost/math/distributions/fwd.hpp
@@ -11,8 +11,6 @@
 #ifndef BOOST_MATH_DISTRIBUTIONS_FWD_HPP
 #define BOOST_MATH_DISTRIBUTIONS_FWD_HPP
 
-// 33 distributions at Boost 1.9.1 after adding hyperexpon and arcsine
-
 namespace boost{ namespace math{
 
 template <class RealType, class Policy>
diff --git a/include/boost/math/distributions/skew_normal.hpp b/include/boost/math/distributions/skew_normal.hpp
index 7df81b6f5e..28595a9ee8 100644
--- a/include/boost/math/distributions/skew_normal.hpp
+++ b/include/boost/math/distributions/skew_normal.hpp
@@ -13,7 +13,7 @@
 // Azzalini, A. (1985). "A class of distributions which includes the normal ones".
 // Scand. J. Statist. 12: 171-178.
 
-#include <boost/math/distributions/fwd.hpp> // TODO add skew_normal distribution to fwd.hpp!
+#include <boost/math/distributions/fwd.hpp>
 #include <boost/math/special_functions/owens_t.hpp> // Owen's T function
 #include <boost/math/distributions/complement.hpp>
 #include <boost/math/distributions/normal.hpp>
diff --git a/test/test_holtsmark.cpp b/test/test_holtsmark.cpp
index 93a40924d6..6307c14941 100644
--- a/test/test_holtsmark.cpp
+++ b/test/test_holtsmark.cpp
@@ -34,7 +34,7 @@ using boost::multiprecision::cpp_bin_float_quad;
 template<class RealType, int N>
 void do_test_holtsmark_pdf(){
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -228,7 +228,7 @@ void do_test_holtsmark_pdf(){
 template<class RealType, int N>
 void do_test_holtsmark_cdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -316,7 +316,7 @@ void do_test_holtsmark_cdf() {
 template<class RealType, int N>
 void do_test_holtsmark_ccdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -511,7 +511,7 @@ void do_test_holtsmark_ccdf() {
 template<class RealType, int N>
 void do_test_holtsmark_quantile_nearzero() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -669,7 +669,7 @@ void do_test_holtsmark_quantile_nearzero() {
 template<class RealType, int N>
 void do_test_holtsmark_quantile_lower() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -718,7 +718,7 @@ void do_test_holtsmark_quantile_lower() {
 template<class RealType, int N>
 void do_test_holtsmark_quantile_upper() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -744,7 +744,7 @@ void do_test_holtsmark_quantile_upper() {
 template<class RealType, int N>
 void do_test_holtsmark_locscale_param() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
 
diff --git a/test/test_landau.cpp b/test/test_landau.cpp
index c69c208177..9d7a42e5da 100644
--- a/test/test_landau.cpp
+++ b/test/test_landau.cpp
@@ -33,7 +33,7 @@ using boost::math::landau_distribution;
 template<class RealType, int N>
 void do_test_landau_pdf(){
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -234,7 +234,7 @@ void do_test_landau_pdf(){
 template<class RealType, int N>
 void do_test_landau_cdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -329,7 +329,7 @@ void do_test_landau_cdf() {
 template<class RealType, int N>
 void do_test_landau_ccdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -515,7 +515,7 @@ void do_test_landau_ccdf() {
 template<class RealType, int N>
 void do_test_landau_quantile_nearzero() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -564,7 +564,7 @@ void do_test_landau_quantile_nearzero() {
 template<class RealType, int N>
 void do_test_landau_quantile_lower() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -634,7 +634,7 @@ void do_test_landau_quantile_lower() {
 template<class RealType, int N>
 void do_test_landau_quantile_upper() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -688,7 +688,7 @@ void do_test_landau_quantile_upper() {
 template<class RealType, int N>
 void do_test_landau_locscale_param() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
 
diff --git a/test/test_mapairy.cpp b/test/test_mapairy.cpp
index ca3b415d76..e3e6e969e9 100644
--- a/test/test_mapairy.cpp
+++ b/test/test_mapairy.cpp
@@ -34,7 +34,7 @@ using boost::multiprecision::cpp_bin_float_quad;
 template<class RealType, int N>
 void do_test_mapairy_pdf(){
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -266,7 +266,7 @@ void do_test_mapairy_pdf(){
 template<class RealType, int N>
 void do_test_mapairy_cdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -391,7 +391,7 @@ void do_test_mapairy_cdf() {
 template<class RealType, int N>
 void do_test_mapairy_ccdf() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -585,7 +585,7 @@ void do_test_mapairy_ccdf() {
 template<class RealType, int N>
 void do_test_mapairy_quantile_nearzero() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -634,7 +634,7 @@ void do_test_mapairy_quantile_nearzero() {
 template<class RealType, int N>
 void do_test_mapairy_quantile_lower() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -705,7 +705,7 @@ void do_test_mapairy_quantile_lower() {
 template<class RealType, int N>
 void do_test_mapairy_quantile_upper() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -767,7 +767,7 @@ void do_test_mapairy_quantile_upper() {
 template<class RealType, int N>
 void do_test_mapairy_locscale_param() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
 
diff --git a/test/test_saspoint5.cpp b/test/test_saspoint5.cpp
index 0703b3c547..3186ad1cae 100644
--- a/test/test_saspoint5.cpp
+++ b/test/test_saspoint5.cpp
@@ -26,7 +26,7 @@ using boost::multiprecision::cpp_bin_float_quad;
 template<class RealType, int N>
 void do_test_saspoint5_pdf(){
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -748,7 +748,7 @@ void do_test_saspoint5_quantile_nearzero() {
 template<class RealType, int N>
 void do_test_saspoint5_quantile_lower() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -793,7 +793,7 @@ void do_test_saspoint5_quantile_lower() {
 template<class RealType, int N>
 void do_test_saspoint5_quantile_upper() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //
     BOOST_MATH_STD_USING
@@ -819,7 +819,7 @@ void do_test_saspoint5_quantile_upper() {
 template<class RealType, int N>
 void do_test_saspoint5_locscale_param() {
     //
-    // Basic sanity checks, tolerance is either 3 epsilon
+    // Basic sanity checks, tolerance is 3 epsilon
     // expressed as a percentage:
     //