add: updateStyleSheetForCalendar(aCalendar); 
context:     onCalendarPrefSet: function(aCalendar, aName, aValue) {    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/9bd1437b7215165372e0b1160a96597176caf846/calendar-management.js/buggy/calendar/lightning/content/calendar-management.js