rem: return new ICALProtocolHandler(); 
add: return new ICALContentHandler(); 
context: ICALProtocolHandlerFactory.createInstance =function (outer, iid) {    if (outer != null)        throw Components.results.NS_ERROR_NO_AGGREGATION;    if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports))        throw Components.results.NS_ERROR_INVALID_ARG;    return new ICALProtocolHandler();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5204fff0305e2300f3bd439ca2bc6398bd9061ce/calendarService.js/clean/calendar/resources/content/calendarService.js