rem: this.mImmutable = true; 
add: this.mImmutable = true; 
context:     makeImmutable : function() { this.mImmutable = true;    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/c77a324d89eb0554304c92e9b1711ed879d16a00/calAttendee.js/clean/calendar/base/src/calAttendee.js