Output of BulletinEntryDiff is now sanitized by Tidy

application/library/View/Helper/BulletinEntryDiff.php

@@ -331,7 +331,11 @@ class Application_View_Helper_BulletinEntryDiff
 
         </div>
         <?php
-        return ob_get_clean();
+
+        $tidyConfig = array('show-body-only' => true);
+        $html = ob_get_clean();
+        $html = tidy_repair_string($html, $tidyConfig, 'utf8');
+        return $html;
     }
 
     protected function _getDiffText($current, $proposed)