GNU bug report logs - #26287
26.0.50; Using atomic-change-group right after an undo does not work

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Package: emacs;

Reported by: Andreas Politz <politza <at> hochschule-trier.de>

Date: Tue, 28 Mar 2017 20:13:01 UTC

Severity: normal

Merged with 26061, 34405

Found in versions 26.0.50, 26.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#26287; Package emacs. (Tue, 28 Mar 2017 20:13:01 GMT) Full text and rfc822 format available.
Acknowledgement sent to Andreas Politz <politza <at> hochschule-trier.de>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Tue, 28 Mar 2017 20:13:01 GMT) Full text and rfc822 format available.

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

From: Andreas Politz <politza <at> hochschule-trier.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.0.50; Using atomic-change-group right after an undo does not work
Date: Tue, 28 Mar 2017 22:11:54 +0200

I seems that atomic-change-group has problems in case its used while in
the middle of an undo sequence.
 
Have this function defined:

(defun undo-bug ()
  (interactive)
  (catch 'done
    (atomic-change-group
      (insert "a b c")
      (throw 'done nil))))

$ emacs -Q

C-x b xxx RET
xxx
C-/
M-x undo-bug RET

Debugger entered--Lisp error: (error "Undoing to some unrelated state")
  signal(error ("Undoing to some unrelated state"))
  error("Undoing to some unrelated state")
  cancel-change-group(((#<buffer xxx> nil)))
  ...
Merged 26287 34405. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> debbugs.gnu.org. (Sat, 09 Feb 2019 19:46:02 GMT) Full text and rfc822 format available.
Forcibly Merged 26061 26287 34405. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Thu, 21 Nov 2019 11:48:04 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 26061 <at> debbugs.gnu.org and Andreas Politz <politza <at> hochschule-trier.de> Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Sat, 14 Aug 2021 14:00:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Tue, 14 Sep 2021 11:24:03 GMT) Full text and rfc822 format available.
This bug report was last modified 2 years and 218 days ago.

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