rem: modifyEventWithDialog(task); 
add: modifyEventWithDialog(getOccurrenceOrParent(task)); 
context: function editToDo(task) {    if (!task)        return;    modifyEventWithDialog(task);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3caed9023758aef0a04f63b4a3079e70ea8ea8be/calendar.js/clean/calendar/resources/content/calendar.js