GNU bug report logs - #10224
24.0.92; M-w inhibits echoing of prefix arguments

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#10224: closed (24.0.92; M-w inhibits echoing of prefix arguments)
Date: Tue, 25 Aug 2020 18:03:02 +0000

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Your message dated Tue, 25 Aug 2020 20:02:44 +0200
with message-id <877dtmli2j.fsf <at> gmx.net>
and subject line Re: bug#10224: 24.0.92; M-w inhibits echoing of prefix arguments
has caused the debbugs.gnu.org bug report #10224,
regarding 24.0.92; M-w inhibits echoing of prefix arguments
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Stephen Berman <stephen.berman <at> gmx.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.0.92; M-w inhibits echoing of prefix arguments
Date: Mon, 05 Dec 2011 21:27:19 +0100

1. emacs -Q
2. Type `C-u' => in the echo area you see "C-u-"
3. Set the mark (e.g. by typing `C-SPC') and then type `M-w'.
4. Type `C-u' => in the echo area you see nothing, for this and
subsequent prefix arguments.  `M-x' is, however, echoed.

The above recipe did not work in my previous build from 2011-12-03,
which may implicate this change:

2011-12-05  Chong Yidong  <cyd <at> gnu.org>

	* keyboard.c (process_special_events): New function.
	(swallow_events, Finput_pending_p): Use it (Bug#10195).

However, in my build from 2011-12-03, if I disabled transient-mark-mode
before step 3 above, then `M-w' has the same inhibiting effect on prefix
arguments, so if the above change is involved, then only to expose the
bug in transient-mark-mode.  Yet this is a recent bug, since I did not
observe it in builds prior to 2011-12-03.


In GNU Emacs 24.0.92.2 (i686-suse-linux-gnu, GTK+ Version 2.24.7)
 of 2011-12-05 on escher
Windowing system distributor `The X.Org Foundation', version 11.0.11004000
configured using `configure  '--without-toolkit-scroll-bars' 'CFLAGS=-g''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 10224-done <at> debbugs.gnu.org
Subject: Re: bug#10224: 24.0.92; M-w inhibits echoing of prefix arguments
Date: Tue, 25 Aug 2020 20:02:44 +0200

On Tue, 25 Aug 2020 14:58:17 +0200 Lars Ingebrigtsen <larsi <at> gnus.org> wrote:

> Stephen Berman <stephen.berman <at> gmx.net> writes:
>
>> 1. emacs -Q
>> 2. Type `C-u' => in the echo area you see "C-u-"
>> 3. Set the mark (e.g. by typing `C-SPC') and then type `M-w'.
>> 4. Type `C-u' => in the echo area you see nothing, for this and
>> subsequent prefix arguments.  `M-x' is, however, echoed.
>
> I tried reproducing this in Emacs 28, and I was unable to -- M-w doesn't
> stop C-u happening in the echo area.
>
> Are you still seeing this problem in recent Emacs versions?

No, I can't reproduce it in Emacs 27 or 28, so closing.  Thanks for
taking a look.

Steve Berman

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