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bug#35191: 27.0.50; Error signaled by undo--wrap-and-run-primitive-undo
From: |
Noam Postavsky |
Subject: |
bug#35191: 27.0.50; Error signaled by undo--wrap-and-run-primitive-undo |
Date: |
Tue, 09 Apr 2019 20:41:52 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1.91 (gnu/linux) |
retitle 35191 27.0.50; undo of comment-region signals error (when
comment-combine-change-calls=t)
tags 35191 + confirmed
quit
Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
> Save the file below and then open it as follows:
It's enough to use a single line
foo ;; bar
in emacs-lisp-mode. And the problem only happens with
comment-combine-change-calls set to t (the default).
> % emacs -Q ..../zones.el
> C-M-f C-M-b ;; Move before first form
> C-M-SPC M-; ;; Comment out first form
> C-x u ;; Undo last change
>
> When I do that, I see an error message in the echo area that says:
>
> Changes to be undone by function different than announced