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bug#10195: 24.0.92; M-w may no longer provide visual feedback
From: |
Michael Welsh Duggan |
Subject: |
bug#10195: 24.0.92; M-w may no longer provide visual feedback |
Date: |
Sat, 03 Dec 2011 22:29:24 -0500 |
User-agent: |
Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.92 (gnu/linux) |
Chong Yidong <cyd@gnu.org> writes:
> Eli Zaretskii <eliz@gnu.org> writes:
>
>> M-w calls sit-for after bouncing point to the position of mark; the
>> default waiting period is 1 sec. How about instrumenting sit-for with
>> calls to `message' and seeing what's going on there? One possibility
>> is that some input event terminates the wait immediately (see
>> sit-for's code). Another possibility is that something happens in
>> read-event, in which case you will need to use GDB. But I think it
>> would be good to see what's going on in sit-for before you go to the C
>> level.
>>
>> Another idea is to replace the call to sit-for in kill-ring-save with
>> a call to sleep-for, and see if that changes anything. If it does,
>> the probably culprit is sit-for and whatever it calls.
>
> FWIW, I can see this problem, and the following workaround seems to do
> the trick. Your pending input explanation is probably right.
Yes, this seems to do the trick for me as well.
> === modified file 'lisp/simple.el'
> *** lisp/simple.el 2011-11-19 19:49:56 +0000
> --- lisp/simple.el 2011-12-04 02:25:33 +0000
> ***************
> *** 3251,3256 ****
> --- 3251,3257 ----
> ;; Swap point and mark.
> (set-marker (mark-marker) (point) (current-buffer))
> (goto-char other-end)
> + (redisplay t)
> (sit-for blink-matching-delay)
> ;; Swap back.
> (set-marker (mark-marker) other-end (current-buffer))
>
--
Michael Welsh Duggan
(md5i@md5i.com)
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Jay Berkenbilt, 2011/12/02
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/02
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Michael Welsh Duggan, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback,
Michael Welsh Duggan <=
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/03
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Eli Zaretskii, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Stefan Monnier, 2011/12/04
- bug#10195: 24.0.92; M-w may no longer provide visual feedback, Chong Yidong, 2011/12/05