rem: FeedCache.removeFeed(url); 
add: FeedCache.removeFeed(aFeed.url); 
context:   onParseError: function(aFeed)   {    if (aFeed && aFeed.downloadCallback)    {      if (aFeed.downloadCallback)        aFeed.downloadCallback.downloaded(aFeed, kNewsBlogInvalidFeed);      FeedCache.removeFeed(url);    }  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/4dadb63d926b748dbbd3c3bd65a739e3ff59e54e/Feed.js/buggy/mail/extensions/newsblog/content/Feed.js