2001-07-31 Federico Mena Quintero <federico@ximian.com> The Wombat now keeps track of which categories are present in the objects of a calendar. It will notify the clients of changes in this set. This is to make the category drop-down menus in the calendar/tasks views be always up to date. * idl/evolution-calendar.idl (Listener): Added a notifyCategoriesChanged() method. The Wombat now keeps track of the categories within a calendar. * cal-client/cal-listener