rem: aIID.equals(Ci.nsISupportsWeakReference)) 
add: aIID.equals(Ci.nsIDOMEventListener)) 
context:   QueryInterface: function(aIID) {    if (aIID.equals(Ci.nsISupports) ||        aIID.equals(Ci.nsIObserver) ||        aIID.equals(Ci.nsISupportsWeakReference))      return this;          throw Cr.NS_ERROR_NO_INTERFACE;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3543d90ab7963ea21bd6e3e54d8fcc0259f1e78d/feeds.js/buggy/browser/components/preferences/feeds.js