Index: dojo-release-1.3.2-src/dojo/_base/Deferred.js
===================================================================
--- dojo-release-1.3.2-src.orig/dojo/_base/Deferred.js	2009-12-17 14:52:10.000000000 -0800
+++ dojo-release-1.3.2-src/dojo/_base/Deferred.js	2009-12-24 11:20:02.000000000 -0800
@@ -374,7 +374,11 @@
 			var f = chain.shift()[fired];
 			if(!f){ continue; }
 			var func = function(){
+				// add deferred object to the Error object
+				if (res instanceof Error) 
+					res._deferred = this;
 				var ret = f(res);
+
 				//If no response, then use previous response.
 				if(typeof ret != "undefined"){
 					res = ret;