Index: wp-includes/kses.php
===================================================================
--- wp-includes/kses.php	(revision 11010)
+++ wp-includes/kses.php	(working copy)
@@ -302,6 +302,7 @@
 		//	'br' => array(),
 		'cite' => array (),
 		'code' => array(),
+		'pre' => array(),
 		'del' => array(
 			'datetime' => array ()),
 		//	'dd' => array(),