Ticket #3528: core.diff

Index: ui.core.js
===================================================================
--- ui.core.js	(revision 847)
+++ ui.core.js	(working copy)
@@ -256,7 +256,7 @@
 		var eventName = (type == this.widgetEventPrefix
 			? type : this.widgetEventPrefix + type);
 		e = e  || $.event.fix({ type: eventName, target: this.element[0] });
-		return this.element.triggerHandler(eventName, [e, data], this.options[type]);
+		return this.element.triggerHandler(eventName, [e, $.extend({instance: this, options: this.options}, data)], this.options[type]);
 	}
 };