rem: var feed = gFzFeedCache.getFeedWithUrl(url); 
add: var feed = FeedCache.getFeed(url); 
context: Feed.onDownloaded = function(event) {  var request = event.target;  var url = request.channel.originalURI.spec;  debug(url + " downloaded");  var feed = gFzFeedCache.getFeedWithUrl(url);  if (!feed)    throw("error after downloading " + url + ": couldn't retrieve feed from request");    feed.parse();  // parse will asynchronously call the download callback when it is done}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/45099bc77fea9293df1314d0ff91ba547203bb1c/Feed.js/clean/mail/extensions/newsblog/content/Feed.js