rem: ltnCalendarViewController.modifyOccurrence(currentView().selectedItem); 
add: calendarViewController.modifyOccurrence(currentView().selectedItem); 
context: function ltnEditSelectedItem() {    ltnCalendarViewController.modifyOccurrence(currentView().selectedItem);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/67f9d85622b78fba73d946fd9591b42ff2498878/messenger-overlay-sidebar.js/buggy/calendar/lightning/content/messenger-overlay-sidebar.js