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* bug#19422: 25.0.50; `remove-overlays` needs one additional `point` at end of narrowed region.
@ 2014-12-21  8:39 Keith David Bershatsky
  2014-12-21 16:45 ` Eli Zaretskii
  2014-12-21 17:42 ` Keith David Bershatsky
  0 siblings, 2 replies; 5+ messages in thread
From: Keith David Bershatsky @ 2014-12-21  8:39 UTC (permalink / raw)
  To: 19422

The function `remove-overlays`, when used without any arguments, needs one additional `point` at the end of a narrowed region to effectively remove an overlay at the very end of said region.  Here is something that I'm using for my own setup, which adds the missing `point`:

    (defun lawlist-remove-overlays (beg end name val)
      "Remove the overlays."
      ;; DEBUGGING
      ;; (unless (and beg end name val)
      ;;   (message "ERROR -- beg:  %s | end:  %s | name:  %s | val:  %s" beg end name val))
      (let* (
          (point-max (point-max))
          (point-min (point-min))
          (narrowed-p (not (equal (- point-max point-min) (buffer-size))))
          (beg (if beg beg point-min))
          (end
            (cond
              ((and
                  (not narrowed-p)
                  end)
                end)
              ((and
                  narrowed-p
                  end)
                (1+ end))
              ((and
                  narrowed-p
                  (null end))
                (1+ point-max))
              ((and
                  (not narrowed-p)
                  (null end))
                point-max))) )
        (when (and beg end name val)
          (overlay-recenter end)
          (dolist (o (overlays-in beg end))
            (when (eq (overlay-get o name) val)
              (delete-overlay o))))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

In GNU Emacs 25.0.50.1 (x86_64-apple-darwin10.8.0, NS appkit-1038.36 Version 10.6.8 (Build 10K549))
 of 2014-10-01 on MP.local
Repository revision: 117996 dmantipov@yandex.ru-20141001132108-zdsxru2390mqyjlu
Windowing system distributor `Apple', version 10.3.1038
Configured using:
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Configured features:
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Recent input:
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Loading /Users/HOME/.0.data/.0.emacs/.0.lisp/lawlist-test.el (source)...done
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^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2021-08-16 13:41 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-12-21  8:39 bug#19422: 25.0.50; `remove-overlays` needs one additional `point` at end of narrowed region Keith David Bershatsky
2014-12-21 16:45 ` Eli Zaretskii
2014-12-21 17:42 ` Keith David Bershatsky
2014-12-22 16:32   ` Eli Zaretskii
2021-08-16 13:41     ` Lars Ingebrigtsen

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