From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: 35191@debbugs.gnu.org
Subject: bug#35191: 27.0.50; Error signaled by undo--wrap-and-run-primitive-undo
Date: Mon, 08 Apr 2019 08:57:56 -0400 [thread overview]
Message-ID: <jwv36msd57v.fsf@iro.umontreal.ca> (raw)
[-- Attachment #1: Type: text/plain, Size: 1540 bytes --]
Package: Emacs
Version: 27.0.50
Save the file below and then open it as follows:
% 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
If I redo this after enabling the debugger on error, I get the following
backtrace:
Debugger entered--Lisp error: (error "Changes to be undone by function different than an...")
signal(error ("Changes to be undone by function different than an..."))
error("Changes to be undone by function different than an...")
primitive-undo(1 ((apply -4 44189 44226 undo--wrap-and-run-primitive-undo 44189 44226 ((44189 . 44192) (#(" " 0 1 (fontified t)) . -44223) (#<marker (moves after insertion) in no buffer> . 1) (44222 . 44223) 44189)) nil (apply 3 44189 44223 undo--wrap-and-run-primitive-undo 44189 44223 ((#("\n" 0 1 (face font-lock-comment-face fontified t)) . 44222) (44223 . 44224) (#(";; " 0 3 (face font-lock-comment-delimiter-face fontified t)) . 44189))) nil (apply -4 44189 44226 undo--wrap-and-run-primitive-undo 44189 44226 ((44189 . 44192) (#(" " 0 1 (fontified t)) . -44223) (#<marker (moves after insertion) in no buffer> . 1) (44222 . 44223) 44189)) (t 23723 17250 171044 280000)))
undo-more(1)
undo(nil)
funcall-interactively(undo nil)
call-interactively(undo nil nil)
command-execute(undo)
[-- Attachment #2: zones.el --]
[-- Type: application/emacs-lisp, Size: 138263 bytes --]
next reply other threads:[~2019-04-08 12:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 12:57 Stefan Monnier [this message]
2019-04-10 0:41 ` bug#35191: 27.0.50; Error signaled by undo--wrap-and-run-primitive-undo Noam Postavsky
2021-02-02 14:43 ` bug#35191: 27.0.50; undo of comment-region signals error (when comment-combine-change-calls=t) Lars Ingebrigtsen
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