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/overview/getting_started.html b/user_guide/overview/getting_started.html
index 1683326..f120913 100644
--- a/user_guide/overview/getting_started.html
+++ b/user_guide/overview/getting_started.html
@@ -57,7 +57,7 @@
<h1>Getting Started With CodeIgniter</h1>
-<p>Any software application requires some effort to learn. We've done our best to minimize the learning
+<p>Any software application requires some effort to learn. We've done our best to minimize the learning
curve while making the process as enjoyable as possible.
</p>