2.3. Delete calendar object
2.3.1.
A user wants to mark for deletion one or multiple instances of an existing event/task in a way that the information for the marked instances will be preserved.
2.3.2.
A user wants to unmark one or multiple instances of an existing event/task that are marked for deletion.
2.3.3.
A user wants to delete a calendar object.
2.3.4.
A user wants to delete one or multiple calendar objects based on search criteria (e.g., all events that occurred more than six months ago).
2.3.5.
A user wants to delete (permanently remove) all the calendar objects marked for deletion in his calendar.