backed out 648b42a75739, which was a NON-trivial whitespace commit.  It broke the Typography class's string replacements, for instance
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index a3c00a5..a5f174f 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.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');
 /**
  * Code Igniter
  *
@@ -342,10 +342,10 @@
 
 		// ------------------------------------------------------
 
-		// Is the encoder supported? If not, we'll either issue an
+		// Is the encoder supported?  If not, we'll either issue an
 		// error or use plain text depending on the debug settings
 		if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode'))
-		OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress')))
+		OR ($prefs['format'] == 'zip'  AND ! @function_exists('gzcompress')))
 		{
 			if ($this->db->db_debug)
 			{