add:    var lastModifiedHeader = request.getResponseHeader('Last-Modified'); if (lastModifiedHeader) this.lastModified = lastModifiedHeader;  
context:   onDownloaded: function(aEvent)   {    var request = aEvent.target;    var url = request.channel.originalURI.spec;    debug(url + " downloaded");    var feed = FeedCache.getFeed(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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9bcb6ac5890d02cdf768addc43a1136c68e49f48/Feed.js/buggy/mail/extensions/newsblog/content/Feed.js