rem: QueryInterface: function (iid) 
add: QueryInterface: function (iid) 
context:   QueryInterface: function (iid)   {    if (!iid.equals(Components.interfaces.nsISupports) &&        !iid.equals(Components.interfaces.nsISupportsWeakReference) &&        !iid.equals(Components.interfaces.nsIDOMEventListener)) {      throw Components.results.NS_ERROR_NO_INTERFACE;    }    return this;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7b5970dc1f631c4a1ed682420229b370547edc65/nsPolicyViewer.js/buggy/extensions/p3p/resources/content/nsPolicyViewer.js