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/doc_style/template.html b/user_guide/doc_style/template.html
index e255032..d59d5e4 100644
--- a/user_guide/doc_style/template.html
+++ b/user_guide/doc_style/template.html
@@ -51,7 +51,7 @@
<h1>Foo Class</h1>
-<p>Brief description of Foo Class. If it extends a native CodeIgniter class, please link to the class in the CodeIgniter documents here.</p>
+<p>Brief description of Foo Class. If it extends a native CodeIgniter class, please link to the class in the CodeIgniter documents here.</p>
<p class="important"><strong>Important:</strong> This is an important note with <kbd>EMPHASIS</kbd>.</p>