Ticket #2995: formatting.php.diff

wp-includes/formatting.php

@@ -598 +598 @@
         global $wpdb;
         // This is a pre save filter, so text is already escaped.
         $text = stripslashes($text);
-        $text = preg_replace('|<a (.+?)>|i', '<a $1 rel="nofollow">', $text);
+        $text = preg_replace('|<a (.+?)>|ie', "'<a ' . str_replace(' rel=\"nofollow\"','',stripslashes('$1')) . ' rel=\"nofollow\">'", $text);
         $text = $wpdb->escape($text);
         return $text;
 }