From: Lars Ingebrigtsen <larsi@gnus.org>
To: Damien Cassou <damien@cassou.me>
Cc: 57816@debbugs.gnu.org
Subject: bug#57816: 28.2; Renaming a help buffer from help-mode-hook
Date: Fri, 16 Sep 2022 13:51:26 +0200 [thread overview]
Message-ID: <87wna38rlt.fsf@gnus.org> (raw)
In-Reply-To: <87leqlqmc2.fsf@cassou.me> (Damien Cassou's message of "Thu, 15 Sep 2022 06:43:25 +0200")
Damien Cassou <damien@cassou.me> writes:
> In GNU Emacs 28.2, I would like to automatically rename help buffers so
> their name reflect their content. For example, I want *Help: car*
> instead of just *Help* for the help buffer of `car'. Unfortunately,
> adding #'rename-buffer to `help-mode-hook' doesn't work as this results
> in 2 buffers instead of just one:
>
> emacs --batch -Q \
> --eval "(add-hook 'help-mode-hook (lambda () (rename-buffer \"*foo*\")))" \
> --eval "(describe-function #'describe-function)" \
> --eval "(prin1 (cons (get-buffer \"*Help*\") (get-buffer \"*foo*\")))"
>
> prints
>
> (#<buffer *Help*> . #<buffer *foo*>)
>
> After the "rename", there is still a buffer with the old name. Is there
> a more correct way to do this?
I can reproduce this in Emacs 28.2, but not in Emacs 29, so it looks
like this has been fixed already.
prev parent reply other threads:[~2022-09-16 11:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-15 4:43 bug#57816: 28.2; Renaming a help buffer from help-mode-hook Damien Cassou
2022-09-16 11:51 ` Lars Ingebrigtsen [this message]
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