on-insert

   

  Called before a given range is inserted into the buffer. If the return value is #f, then the insert will be aborted. Otherwise, after-insertis guaranteed to be called after the insert has completed. This method cannot modify the buffer.

See also on-edit-sequence.

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

  Calls adjust-lists, begin-edit-sequence and returns #t.