rem:  throw Components.results.NS_NOINTERFACE; } 
add: throw Components.results.NS_NOINTERFACE; } 
context:     QueryInterface : function(iid)    {     if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))      return this;          throw Components.results.NS_NOINTERFACE;    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/59cd8cec6e8a8a946512ae4ad7ee8b2f545283fd/printProgress.js/buggy/xpfe/global/resources/content/printProgress.js