rem: feed.downloaded(nsnull); 
add: feed.downloaded(feed, false); 
context: Feed.onDownloadError = function(event) {  // XXX add error message if available and notify the user?  var request = event.target;  var url = request.channel.originalURI.spec;  var feed = gFzFeedCache[url];  if (feed)  {    debug(feed.title + " download failed");    if (feed.downloadCallback)      feed.downloaded(nsnull);  }  throw("error downloading feed " + url);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0bd80bb067eff831a8a4ec53c7a2aa0378f85ef8/Feed.js/clean/mail/extensions/newsblog/content/Feed.js