rem: if (iid.equals(Components.interfaces.nsIObserver) || iid.equals(Components.interfaces.nsISupportsWeakReference)) 
add: if (iid.equals(Components.interfaces.nsIObserver) || iid.equals(Components.interfaces.nsISupportsWeakReference) || iid.equals(Components.interfaces.nsISupports)) { 
context:     QueryInterface : function(iid)    {     if (iid.equals(Components.interfaces.nsIObserver) || iid.equals(Components.interfaces.nsISupportsWeakReference))      return this;          throw Components.results.NS_NOINTERFACE;    }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/ab4522987bb6f8be4a2d66a5d18a6109dc06d897/browser.js/buggy/suite/browser/browser.js