rem: this.mCalendar.writeICS(); 
add: if (!this.mInBatch) this.mCalendar.writeICS(); 
context:     onModifyItem: function(aNewItem, aOldItem) {        this.mCalendar.writeICS();    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/32a94ac17bfa3cd3e06bb22dfa1da43c5f1b6b5a/calICSCalendar.js/clean/calendar/providers/ics/calICSCalendar.js