From: Stefan Monnier via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: 74523@debbugs.gnu.org
Subject: bug#74523: 31.0.50; `apply` elements screw up undo in region
Date: Mon, 25 Nov 2024 10:19:36 -0500 [thread overview]
Message-ID: <jwvwmgrmjjf.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <jwv34jfon6j.fsf-monnier+@gnu.org> (Stefan Monnier's message of "Mon, 25 Nov 2024 01:19:43 -0500")
> We currently don't support `apply` undo-elements very well (if at all)
> in the undo-in-region feature.
> Those elements used to be rare, but now that `comment-region` and other
> users of `combine-change-calls` generate them, it's not as rare.
I pushed a patch which fixes the test I sent, but `apply` elements are
still never included in undo-in-region.
Fixing that won't be easy in general: we have no way for
`undo-adjust-elt` to handle them correctly.
Stefan
prev parent reply other threads:[~2024-11-25 15:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-25 6:19 bug#74523: 31.0.50; `apply` elements screw up undo in region Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-25 15:19 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
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