rem: var err = new Error("Unable to load "+uri+" status:"+ xhr.status); 
add: var err = new Error("Unable to load " + dfd.ioArgs.url + " status:" + xhr.status); 
context: 	var _resHandle = function(/*Deferred*/dfd){		var xhr = dfd.ioArgs.xhr;		if(_d._isDocumentOk(xhr)){			dfd.callback(dfd);		}else{			var err = new Error("Unable to load "+uri+" status:"+ xhr.status);			err.status = xhr.status;			err.responseText = xhr.responseText;			dfd.errback(err);		}	}
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/7899aa1479d8744a9117df522af04e3bf3703908/xhr.js/buggy/_base/xhr.js