rem: this._feedButton.setAttribute("feeds", "true"); this._feedButton.setAttribute("tooltiptext", gNavigatorBundle.getString("feedHasFeeds")); 
add: feedButton.setAttribute("feeds", "true"); feedButton.setAttribute("tooltiptext", gNavigatorBundle.getString("feedHasFeeds")); 
context:   updateFeeds: function() {    if (!this._feedButton)      this._feedButton = document.getElementById("feed-button");    var feeds = gBrowser.mCurrentBrowser.feeds;    if (!feeds || feeds.length == 0) {      this._feedButton.removeAttribute("feeds");      this._feedButton.setAttribute("tooltiptext",                                     gNavigatorBundle.getString("feedNoFeeds"));    } else {      this._feedButton.setAttribute("feeds", "true");      this._feedButton.setAttribute("tooltiptext",                                     gNavigatorBundle.getString("feedHasFeeds"));    }  }, 
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0817fdeba806469ae93e8c90e7e26c5aeaa48f43/browser.js/buggy/browser/base/content/browser.js