add:  feeds = this.harvestFeeds(feeds);  if (feeds.length > 1) { this._feedMenuitem.setAttribute("hidden", "true"); this._feedMenupopup.removeAttribute("hidden"); } else { this._feedMenuitem.removeAttribute("disabled"); this._feedMenuitem.removeAttribute("hidden"); this._feedMenupopup.setAttribute("hidden", "true"); } 
context:   updateFeeds: function() {    var feedButton = document.getElementById("feed-button");    if (!feedButton)      return;    var feeds = gBrowser.mCurrentBrowser.feeds;    if (!feeds || feeds.length == 0) {      if (feedButton.hasAttribute("feeds"))        feedButton.removeAttribute("feeds");      feedButton.setAttribute("tooltiptext",                               gNavigatorBundle.getString("feedNoFeeds"));    } else {      feedButton.setAttribute("feeds", "true");      feedButton.setAttribute("tooltiptext", #ifdef MOZ_FEEDS                              gNavigatorBundle.getString("feedHasFeedsNew"));#else                              gNavigatorBundle.getString("feedHasFeeds"));#endif    }  }, 
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ed823772df15a6eb2cded7056ec53b0b7540235f/browser.js/clean/browser/base/content/browser.js