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/installation/upgrade_130.html b/user_guide/installation/upgrade_130.html
index e6bb948..f7ffac7 100644
--- a/user_guide/installation/upgrade_130.html
+++ b/user_guide/installation/upgrade_130.html
@@ -57,7 +57,7 @@
 
 <h1>Upgrading from 1.2 to 1.3</h1>
 
-<p class="important"><strong>Note:</strong> The instructions on this page assume you are running version 1.2. If you
+<p class="important"><strong>Note:</strong> The instructions on this page assume you are running version 1.2.  If you
 have not upgraded to that version please do so first.</p>
 
 
@@ -72,8 +72,8 @@
 <p class="important"><strong>Note:</strong> If you have any custom developed files in these folders please make copies of them first.</p>
 
 <ul>
-<li>application/<strong>models</strong>/&nbsp;&nbsp; (new for 1.3)</li>
-<li>codeigniter&nbsp;&nbsp;  (new for 1.3)</li>
+<li>application/<strong>models</strong>/&nbsp;&nbsp;  (new for 1.3)</li>
+<li>codeigniter&nbsp;&nbsp;   (new for 1.3)</li>
 <li>drivers</li>
 <li>helpers</li>
 <li>init</li>
@@ -109,7 +109,7 @@
 
 <h2>Step 3: Update your index.php file</h2>
 
-<p>Please open your main <dfn>index.php</dfn> file (located at your root). At the very bottom of the file, change this:</p>
+<p>Please open your main <dfn>index.php</dfn> file (located at your root).  At the very bottom of the file, change this:</p>
 
 <code>require_once BASEPATH.'libraries/Front_controller'.EXT;</code>