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From: Joseph Turner via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>, ruijie@netyu.xyz
Cc: 60643@debbugs.gnu.org
Subject: bug#60643: 29.0.50; set-buffer-major-mode resets buffer local variables
Date: Sun, 08 Jan 2023 01:09:55 -0800	[thread overview]
Message-ID: <875ydhqq1s.fsf@breatheoutbreathe.in> (raw)
In-Reply-To: <83ilhhr2fo.fsf@gnu.org>

Hello!

Eli Zaretskii <eliz@gnu.org> writes:

> Changing the major mode kills all buffer-local variables. If you don't
> want some variable to be killed, give it the permanent-local property.

Ruijie Yu <ruijie@netyu.xyz> writes:

> There is another concept called "permanent local variables" which you
> might be thinking about when looking at "local variables", see info node
> `(elisp) Standard Properties' for more information.

Thank you both for your help!! This solves it:

(put 'test-var 'permanent-local t)

Joseph





      parent reply	other threads:[~2023-01-08  9:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-08  4:48 bug#60643: 29.0.50; set-buffer-major-mode resets buffer local variables Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-08  5:45 ` Ruijie Yu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-08  6:00 ` Eli Zaretskii
2023-01-08  9:09   ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-01-08  9:09   ` Joseph Turner via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]

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