From: Tassilo Horn <tsdh@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org, mardani29@yahoo.es, raman@google.com
Subject: Re: info-lookup-alist mangled, breaks C-h S
Date: Tue, 04 Jan 2022 17:19:33 +0100 [thread overview]
Message-ID: <871r1n320e.fsf@gnu.org> (raw)
In-Reply-To: <83ee5nblfv.fsf@gnu.org>
Eli Zaretskii <eliz@gnu.org> writes:
Hi Eli,
>> FWIW, the problematic entry doesn't seem to come from some external
>> package, at least I can reproduce the error using
>>
>> 1. emacs -Q
>> 2. M-x fundamental-mode RET in *stratch*
>> 3. C-h S
>>
>> with GNU Emacs 29.0.50 of 2022-01-03. The step 2 above is needed
>> because `C-h S' in an emacs-lisp-mode or lisp-interaction-mode buffer
>> works just fine whereas I get the error in fundamental-mode or
>> Info-mode. I can't reproduce with emacs 27 or 28.
>
> Does the patch below give good results?
Yes, it does, thanks!
Bye,
Tassilo
> diff --git a/lisp/info-look.el b/lisp/info-look.el
> index e6f267d..9224aa3 100644
> --- a/lisp/info-look.el
> +++ b/lisp/info-look.el
> @@ -347,7 +347,10 @@ info-lookup-select-mode
>
> (defun info-lookup-change-mode (topic)
> (let* ((completions (mapcar (lambda (arg)
> - (cons (symbol-name (car arg)) (car arg)))
> + (let ((mode-spec (car arg)))
> + (and (consp mode-spec)
> + (setq mode-spec (car mode-spec)))
> + (cons (symbol-name mode-spec) mode-spec)))
> (info-lookup->topic-value topic)))
> (mode (completing-read
> (format "Use %s help mode: " topic)
next prev parent reply other threads:[~2022-01-04 16:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-02 16:52 info-lookup-alist mangled, breaks C-h S T.V Raman
2022-01-03 10:35 ` Daniel Martín
2022-01-03 14:45 ` T.V Raman
2022-01-03 20:02 ` Tassilo Horn
2022-01-04 14:54 ` Eli Zaretskii
2022-01-04 15:03 ` Eli Zaretskii
2022-01-05 15:33 ` Lars Ingebrigtsen
2022-01-05 16:46 ` Eli Zaretskii
2022-01-05 17:33 ` T.V Raman
2022-01-04 16:19 ` Tassilo Horn [this message]
2022-01-04 16:27 ` T.V Raman
2022-01-04 16:46 ` Eli Zaretskii
2022-01-05 13:18 ` Eli Zaretskii
2022-01-04 15:45 ` T.V Raman
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