GNU bug report logs - #22111
25.0.50; (this-command-keys) doesn't return prefix keys

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Package: emacs;

Reported by: Artur Malabarba <bruce.connor.am <at> gmail.com>

Date: Mon, 7 Dec 2015 21:47:02 UTC

Severity: normal

Tags: fixed

Merged with 22107

Found in versions 25.0.50, 25.1

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Report forwarded to bug-gnu-emacs <at> gnu.org:
bug#22111; Package emacs. (Mon, 07 Dec 2015 21:47:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to Artur Malabarba <bruce.connor.am <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Mon, 07 Dec 2015 21:47:03 GMT) Full text and rfc822 format available.

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

From: Artur Malabarba <bruce.connor.am <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; (this-command-keys) doesn't return prefix keys
Date: Mon, 07 Dec 2015 21:45:22 +0000

From emacs -Q:

1. Type (this-command-keys)
2. Type C-u C-x C-e
3. The result will not include C-u
Forcibly Merged 22107 22111. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> debbugs.gnu.org. (Mon, 07 Dec 2015 21:57:02 GMT) Full text and rfc822 format available.
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#22111; Package emacs. (Mon, 07 Dec 2015 22:00:03 GMT) Full text and rfc822 format available.

Message #10 received at 22111 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Artur Malabarba <bruce.connor.am <at> gmail.com>
Cc: 22111 <at> debbugs.gnu.org
Subject: Re: bug#22111: 25.0.50; (this-command-keys) doesn't return prefix keys
Date: 7 Dec 2015 21:59:18 -0000

Hello, Artur.

In article <mailman.1609.1449524829.31583.bug-gnu-emacs <at> gnu.org> you wrote:
>>From emacs -Q:

> 1. Type (this-command-keys)
> 2. Type C-u C-x C-e
> 3. The result will not include C-u

I don't think this is a bug: C-u is bound to command
`universal-argument', and it works by setting `prefix-arg'.  Once it's
done that, `univeral-argument''s runtime is finished.

Then the next command is `eval-last-sexp', whose `this-command-keys' are
precisely C-x C-e.

-- 
Alan Mackenzie (Nuremberg, Germany).
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#22111; Package emacs. (Mon, 07 Dec 2015 22:10:04 GMT) Full text and rfc822 format available.

Message #13 received at 22111 <at> debbugs.gnu.org (full text, mbox):

From: Artur Malabarba <bruce.connor.am <at> gmail.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 22111 <at> debbugs.gnu.org
Subject: Re: bug#22111: 25.0.50; (this-command-keys) doesn't return prefix keys
Date: Mon, 07 Dec 2015 22:09:21 +0000

Alan Mackenzie <acm <at> muc.de> writes:

> I don't think this is a bug: C-u is bound to command
> `universal-argument', and it works by setting `prefix-arg'.  Once it's
> done that, `univeral-argument''s runtime is finished.

That's what I thought at first, but the docs say it should.
See the docstring of `this-single-command-keys' or the elisp manual on
this function.
Information forwarded to bug-gnu-emacs <at> gnu.org:
bug#22111; Package emacs. (Tue, 08 Dec 2015 03:38:01 GMT) Full text and rfc822 format available.

Message #16 received at 22111 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Artur Malabarba <bruce.connor.am <at> gmail.com>
Cc: acm <at> muc.de, 22111 <at> debbugs.gnu.org
Subject: Re: bug#22111: 25.0.50; (this-command-keys) doesn't return prefix keys
Date: Tue, 08 Dec 2015 05:36:39 +0200

> From: Artur Malabarba <bruce.connor.am <at> gmail.com>
> Date: Mon, 07 Dec 2015 22:09:21 +0000
> Cc: 22111 <at> debbugs.gnu.org
> 
> Alan Mackenzie <acm <at> muc.de> writes:
> 
> > I don't think this is a bug: C-u is bound to command
> > `universal-argument', and it works by setting `prefix-arg'.  Once it's
> > done that, `univeral-argument''s runtime is finished.
> 
> That's what I thought at first, but the docs say it should.
> See the docstring of `this-single-command-keys' or the elisp manual on
> this function.

Can you bisect to see which commit caused this?
Removed indication that bug 22111 blocks Request was from Eli Zaretskii <eliz <at> gnu.org> to control <at> debbugs.gnu.org. (Sun, 22 May 2016 16:36:02 GMT) Full text and rfc822 format available.
Added tag(s) fixed. Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Wed, 07 Oct 2020 04:11:01 GMT) Full text and rfc822 format available.
bug marked as fixed in version 28.1, send any further explanations to 22107 <at> debbugs.gnu.org and bruce.connor.am <at> gmail.com Request was from Lars Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Wed, 07 Oct 2020 04:11:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Wed, 04 Nov 2020 12:24:04 GMT) Full text and rfc822 format available.
This bug report was last modified 4 years and 228 days ago.

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