on-delete

   

  Called before a range is deleted from the buffer. If the return value is #f, then the delete will be aborted. Otherwise, after-deleteis guaranteed to be called after the delete has completed. This method cannot modify the buffer.

See also on-edit-sequence.

• (send a-mred:hyper-edit on-delete start size) -> boolean
      start : int
      size : int

  Calls adjust-lists and returns #t.