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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/919c7ed69de90d3b7f17bb79d21e062103a7af3f/Feed.js/clean/mail/extensions/newsblog/content/Feed.js