backed out 648b42a75739, which was a NON-trivial whitespace commit.  It broke the Typography class's string replacements, for instance
diff --git a/application/config/autoload.php b/application/config/autoload.php
index 1c492a2..53129c9 100644
--- a/application/config/autoload.php
+++ b/application/config/autoload.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');
 /*
 | -------------------------------------------------------------------
 | AUTO-LOADER
@@ -8,7 +8,7 @@
 | In order to keep the framework as light-weight as possible only the
 | absolute minimal resources are loaded by default. For example,
 | the database is not connected to automatically since no assumption
-| is made regarding whether you intend to use it. This file lets
+| is made regarding whether you intend to use it.  This file lets
 | you globally define which systems you would like loaded with every
 | request.
 |
@@ -29,11 +29,11 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Packges
+|  Auto-load Packges
 | -------------------------------------------------------------------
 | Prototype:
 |
-| $autoload['packages'] = array(APPPATH.'third_party', '/usr/local/shared');
+|  $autoload['packages'] = array(APPPATH.'third_party', '/usr/local/shared');
 |
 */
 
@@ -42,7 +42,7 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Libraries
+|  Auto-load Libraries
 | -------------------------------------------------------------------
 | These are the classes located in the system/libraries folder
 | or in your application/libraries folder.
@@ -57,7 +57,7 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Helper Files
+|  Auto-load Helper Files
 | -------------------------------------------------------------------
 | Prototype:
 |
@@ -69,14 +69,14 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Config files
+|  Auto-load Config files
 | -------------------------------------------------------------------
 | Prototype:
 |
 |	$autoload['config'] = array('config1', 'config2');
 |
 | NOTE: This item is intended for use ONLY if you have created custom
-| config files. Otherwise, leave it blank.
+| config files.  Otherwise, leave it blank.
 |
 */
 
@@ -85,13 +85,13 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Language files
+|  Auto-load Language files
 | -------------------------------------------------------------------
 | Prototype:
 |
 |	$autoload['language'] = array('lang1', 'lang2');
 |
-| NOTE: Do not include the "_lang" part of your file. For example
+| NOTE: Do not include the "_lang" part of your file.  For example
 | "codeigniter_lang.php" would be referenced as array('codeigniter');
 |
 */
@@ -101,7 +101,7 @@
 
 /*
 | -------------------------------------------------------------------
-| Auto-load Models
+|  Auto-load Models
 | -------------------------------------------------------------------
 | Prototype:
 |