GNU bug report logs - #66021
30.0.50; error from C-h k with closure

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; error from C-h k with closure
Date: Sat, 16 Sep 2023 08:01:13 +0200

With emacs -Q, evaluate

  (keymap-global-set "<f2>" (lambda () (interactive) (message "<f2>")))

then C-h k and press f2.  This signals an error

  help-fns--signature: Wrong type argument: symbolp, (closure ...


In GNU Emacs 30.0.50 (build 4, x86_64-apple-darwin20.6.0, NS
 appkit-2022.70 Version 11.7.10 (Build 20G1427)) of 2023-09-15 built on
 Pro.fritz.box
Repository revision: 1442f4043a761e9bdeeb4e1fbe9822c2987c1502
Repository branch: master
Windowing system distributor 'Apple', version 10.3.2022
System Description:  macOS 11.7.10

Message #8 received at 66021 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>, Andrea
 Corallo <acorallo <at> gnu.org>
Cc: 66021 <at> debbugs.gnu.org
Subject: Re: bug#66021: 30.0.50; error from C-h k with closure
Date: Sat, 16 Sep 2023 09:38:34 +0300

> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
> Date: Sat, 16 Sep 2023 08:01:13 +0200
> 
> With emacs -Q, evaluate
> 
>   (keymap-global-set "<f2>" (lambda () (interactive) (message "<f2>")))
> 
> then C-h k and press f2.  This signals an error
> 
>   help-fns--signature: Wrong type argument: symbolp, (closure ...

The backtrace is below.  Andrea, can you please look into this?  is
testing for symbolp the right fix there?

  Debugger entered--Lisp error: (wrong-type-argument symbolp (closure (t) nil (interactive) (message "<f2>")))
    comp-function-type-spec((closure (t) nil (interactive) (message "<f2>")))
    help-fns--signature((closure (t) nil (interactive) (message "<f2>")) nil (closure (t) nil (interactive) (message "<f2>")) (closure (t) nil (interactive) (message "<f2>")) #<buffer *scratch*>)
    describe-function-1((closure (t) nil (interactive) (message "<f2>")))
    #f(compiled-function () #<bytecode 0x1193c126adc3c31d>)()
    help--window-setup("*Help*" #f(compiled-function () #<bytecode 0x1193c126adc3c31d>))
    describe-key((([f2] . [f2])))
    funcall-interactively(describe-key (([f2] . [f2])))
    call-interactively(describe-key nil nil)
    command-execute(describe-key)

Message #11 received at 66021 <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <acorallo <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Gerd Möllmann <gerd.moellmann <at> gmail.com>,
 66021 <at> debbugs.gnu.org
Subject: Re: bug#66021: 30.0.50; error from C-h k with closure
Date: Mon, 18 Sep 2023 04:17:11 -0400

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
>> Date: Sat, 16 Sep 2023 08:01:13 +0200
>> 
>> With emacs -Q, evaluate
>> 
>>   (keymap-global-set "<f2>" (lambda () (interactive) (message "<f2>")))
>> 
>> then C-h k and press f2.  This signals an error
>> 
>>   help-fns--signature: Wrong type argument: symbolp, (closure ...
>
> The backtrace is below.  Andrea, can you please look into this?  is
> testing for symbolp the right fix there?

Hi Eli,

yes it is, fixed in master for me with 991bf3f0f5d.

Thanks

  Andrea

Message #14 received at 66021 <at> debbugs.gnu.org (full text, mbox):

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Andrea Corallo <acorallo <at> gnu.org>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 66021 <at> debbugs.gnu.org
Subject: Re: bug#66021: 30.0.50; error from C-h k with closure
Date: Mon, 18 Sep 2023 10:21:08 +0200

On 23-09-18 10:17 , Andrea Corallo wrote:
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
>>> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
>>> Date: Sat, 16 Sep 2023 08:01:13 +0200
>>>
>>> With emacs -Q, evaluate
>>>
>>>    (keymap-global-set "<f2>" (lambda () (interactive) (message "<f2>")))
>>>
>>> then C-h k and press f2.  This signals an error
>>>
>>>    help-fns--signature: Wrong type argument: symbolp, (closure ...
>>
>> The backtrace is below.  Andrea, can you please look into this?  is
>> testing for symbolp the right fix there?
> 
> Hi Eli,
> 
> yes it is, fixed in master for me with 991bf3f0f5d.

Confirmed.  Thanks, Andrea!

Message #19 received at 66021-done <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <acorallo <at> gnu.org>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 66021-done <at> debbugs.gnu.org
Subject: Re: bug#66021: 30.0.50; error from C-h k with closure
Date: Mon, 18 Sep 2023 04:53:27 -0400

Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> On 23-09-18 10:17 , Andrea Corallo wrote:
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>> 
>>>> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
>>>> Date: Sat, 16 Sep 2023 08:01:13 +0200
>>>>
>>>> With emacs -Q, evaluate
>>>>
>>>>    (keymap-global-set "<f2>" (lambda () (interactive) (message "<f2>")))
>>>>
>>>> then C-h k and press f2.  This signals an error
>>>>
>>>>    help-fns--signature: Wrong type argument: symbolp, (closure ...
>>>
>>> The backtrace is below.  Andrea, can you please look into this?  is
>>> testing for symbolp the right fix there?
>> Hi Eli,
>> yes it is, fixed in master for me with 991bf3f0f5d.
>
> Confirmed.  Thanks, Andrea!

Wonderful, thanks for checking closing this.

Bests

  Andrea

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