backed out 648b42a75739, which was a NON-trivial whitespace commit. It broke the Typography class's string replacements, for instance
diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php
index 7579014..38347fa 100644
--- a/system/helpers/directory_helper.php
+++ b/system/helpers/directory_helper.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
@@ -31,7 +31,7 @@
* Create a Directory Map
*
* Reads the specified directory and builds an array
- * representation of it. Sub-folders contained with the
+ * representation of it. Sub-folders contained with the
* directory will be mapped as well.
*
* @access public