rem: var tzid = this.getCalProp("X-NSCP-CALPROPS-TZID"); 
add: var tzid = this.getCalendarProperties("X-NSCP-CALPROPS-TZID", "", {}); 
context:     get defaultTimezone() {        var tzid = this.getCalProp("X-NSCP-CALPROPS-TZID");        if (tzid.length < 1) {            return "UTC"; // fallback        }        return tzid[0];    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/318a30b964defb311d9cf0464a3354a583a7e8f0/calWcapCalendar.js/clean/calendar/providers/wcap/calWcapCalendar.js