From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: me@eshelyaron.com, 74091@debbugs.gnu.org
Subject: bug#74091: 31.0.50; string-pixel-width in mode line disables region
Date: Sat, 09 Nov 2024 18:37:49 +0200 [thread overview]
Message-ID: <8634k0mkgy.fsf@gnu.org> (raw)
In-Reply-To: <jwved3kz8iu.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Sat, 09 Nov 2024 11:26:48 -0500)
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eshel Yaron <me@eshelyaron.com>, 74091@debbugs.gnu.org
> Date: Sat, 09 Nov 2024 11:26:48 -0500
>
> I suspect the problem might be a bug in `reset_buffer_local_variables` around:
>
> /* Reset all (or most) per-buffer variables to their defaults. */
> if (permanent_too)
> bset_local_var_alist (b, Qnil);
>
> I suspect this was OK in the "original" uses of `permanent_too` because
> "by construction" none of those vars could be "swapped in" (i.e. have
> their value held in a C variable like `Vdeactivate_mark`), but we now
> have cases where this is not the case any more, so that if the value of
> `Vdeactivate_mark` held a buffer-local value, it ends up "promoted"
> to global.
Which development in Emacs made such a "promotion" possible?
next prev parent reply other threads:[~2024-11-09 16:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-29 17:27 bug#74091: 31.0.50; string-pixel-width in mode line disables region Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-10-30 14:59 ` Eli Zaretskii
2024-10-30 15:26 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-10-30 16:01 ` Eli Zaretskii
2024-10-31 11:09 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-10-31 11:41 ` Eli Zaretskii
2024-10-31 12:24 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-10-31 14:35 ` Eli Zaretskii
2024-11-06 8:01 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-06 12:49 ` Eli Zaretskii
2024-11-06 14:12 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-09 11:13 ` Eli Zaretskii
2024-11-09 16:26 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-09 16:37 ` Eli Zaretskii [this message]
2024-11-09 18:06 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-09 18:14 ` Eli Zaretskii
2024-11-09 18:35 ` Eli Zaretskii
2024-11-09 22:11 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-10 5:50 ` Eli Zaretskii
2024-11-10 6:50 ` Eli Zaretskii
2024-11-10 10:42 ` Eli Zaretskii
2024-11-10 16:46 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-10 19:17 ` Eli Zaretskii
2024-11-10 20:19 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-11-11 3:22 ` Eli Zaretskii
2024-11-11 6:52 ` Eshel Yaron via Bug reports for GNU Emacs, the Swiss army knife of text editors
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