backed out 648b42a75739, which was a NON-trivial whitespace commit. It broke the Typography class's string replacements, for instance
diff --git a/user_guide/helpers/xml_helper.html b/user_guide/helpers/xml_helper.html
index b3d408c..ded9aaa 100644
--- a/user_guide/helpers/xml_helper.html
+++ b/user_guide/helpers/xml_helper.html
@@ -78,7 +78,7 @@
Single and double quotes: ' "<br />
Dashes: -</p>
-<p>This function ignores ampersands if they are part of existing character entities. Example:</p>
+<p>This function ignores ampersands if they are part of existing character entities. Example:</p>
<code>$string = xml_convert($string);</code>