rem: modifyEventWithDialog(calendarEvent); 
add: modifyEventWithDialog(getOccurrenceOrParent(calendarEvent)); 
context: function editEvent(){   if( gCalendarWindow.EventSelection.selectedEvents.length == 1 )   {      var calendarEvent = gCalendarWindow.EventSelection.selectedEvents[0];      if( calendarEvent != null )      {         modifyEventWithDialog(calendarEvent);      }   }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3caed9023758aef0a04f63b4a3079e70ea8ea8be/calendar.js/clean/calendar/resources/content/calendar.js