rem:  getCalendarManager().setCalendarPref(this, "READONLY", bool); 
add: throw Components.results.NS_ERROR_NOT_IMPLEMENTED; 
context:     set readOnly(bool) {        // You really don't want to set this as true, but in theory, you could        getCalendarManager().setCalendarPref(this, "READONLY", bool);    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/318d3ecf2cccb8c378c9fbef4fcede738d534457/calCompositeCalendar.js/clean/calendar/providers/composite/calCompositeCalendar.js