--- phase3.orig/includes/SpecialRevisiondelete.php	Mon Sep  4 21:07:04 2006
+++ phase3/includes/SpecialRevisiondelete.php	Fri Sep  8 15:22:42 2006
@@ -208,6 +208,9 @@
 	 * @param int $bitfield new rev_deleted bitfield value
 	 */
 	function updateRevision( $rev, $bitfield ) {
+		if( $rev == null ) {
+			return false;
+		}
 		$this->db->update( 'revision',
 			array( 'rev_deleted' => $bitfield ),
 			array( 'rev_id' => $rev->getId() ),