rem: throw Components.interfaces.NS_NO_INTERFACE; 
add: throw Components.interfaces.NS_ERROR_NO_INTERFACE; 
context:     QueryInterface: function(iid) {        if (iid.equals(CI.nsIWebDAVResource) ||            iid.equals(CI.nsISupports)) {            return this;        }        throw Components.interfaces.NS_NO_INTERFACE;    }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/48c89b2b54dda26174865ae3edff25eb542b5515/calICSCalendar.js/buggy/calendar/providers/ics/calICSCalendar.js