var modifiedHandler = special.add.call( elem, handler, data, namespaces, handlers );
if ( modifiedHandler && jQuery.isFunction( modifiedHandler ) ) {
modifiedHandler.guid = modifiedHandler.guid || handler.guid;
var modifiedHandler = special.add.call( elem, handler, data, namespaces, handlers );
if ( modifiedHandler && jQuery.isFunction( modifiedHandler ) ) {
modifiedHandler.guid = modifiedHandler.guid || handler.guid;