GNU bug report logs - #32237
27.0.50; Function in before-change-functions is called with first argument greater than the second

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Package: emacs;

Reported by: Michał Kondraciuk <k.michal <at> zoho.com>

Date: Sat, 21 Jul 2018 17:26:01 UTC

Severity: normal

Found in version 27.0.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#32237; Package emacs. (Sat, 21 Jul 2018 17:26:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to Michał Kondraciuk <k.michal <at> zoho.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Sat, 21 Jul 2018 17:26:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Michał Kondraciuk <k.michal <at> zoho.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; Function in before-change-functions is called with first
 argument greater than the second
Date: Sat, 21 Jul 2018 18:39:26 +0200

If I eveluate the sexp below with M-: in emacs -Q, I get the message
"before change 4 1", which is unexpected.  The second argument should be
greater than the first one, according to the documentation.

(with-current-buffer "*scratch*"
  (erase-buffer)
  (insert "foo")
  (add-hook 'before-change-functions
            (lambda (beg end)
              (message "before change %d %d" beg end))
            nil t)
  (with-temp-buffer
    (insert "foo")
    (let ((temp (current-buffer)))
      (with-current-buffer "*scratch*"
        (replace-buffer-contents temp)))))


Repository revision: 2c242cb1a2956ecfa894d0110b837d4ecc43a69c
Reply sent to Eli Zaretskii <eliz <at> gnu.org>:
You have taken responsibility. (Sat, 21 Jul 2018 18:07:02 GMT) Full text and rfc822 format available.
Notification sent to Michał Kondraciuk <k.michal <at> zoho.com>:
bug acknowledged by developer. (Sat, 21 Jul 2018 18:07:02 GMT) Full text and rfc822 format available.

Message #10 received at 32237-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Michał Kondraciuk <k.michal <at> zoho.com>
Cc: 32237-done <at> debbugs.gnu.org
Subject: Re: bug#32237: 27.0.50;
 Function in before-change-functions is called with first argument
 greater than the second
Date: Sat, 21 Jul 2018 21:06:50 +0300

> From: Michał Kondraciuk <k.michal <at> zoho.com>
> Date: Sat, 21 Jul 2018 18:39:26 +0200
> 
> If I eveluate the sexp below with M-: in emacs -Q, I get the message
> "before change 4 1", which is unexpected.  The second argument should be
> greater than the first one, according to the documentation.

Thanks, fixed on the emacs-26 branch.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Sun, 19 Aug 2018 11:24:05 GMT) Full text and rfc822 format available.
This bug report was last modified 7 years and 20 days ago.

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