GNU bug report logs - #33571
26.1.90; Artifacts in echo area

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

From: Live System User <nyc4bos <at> aol.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.1.90; Artifacts in echo area
Date: Sat, 01 Dec 2018 22:17:07 -0500

Hi,

        After a "git pull" and make of Emacs 26.1.90, I am
        now seeing artifacts in the echo area.

        I have "C-c g" bound to "magit-status".

        After executing "C-c g" I get the results but see in the
        echo area:

             C-c g

        This remains in the echo area until another key is pressed.

        Additionaly, this same behavior occurs in the latest Emacs 27
        which displays:

              C-c g-

        (Note the trailing hyphen "-" in Emacs 27 only.  Let me know
        if this should be reported to Emacs 27 bugtracker  separately).

        Could it be related to the recent changes to keyboard.c?

        Thanks.


In GNU Emacs 26.1.90 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.20.10)
 of 2018-12-01 built on localhost.localdomain
Repository revision: af914fc26db273d8788e7efa57c569f0f778d037
Windowing system distributor 'Fedora Project', version 11.0.11803000
Recent messages:
354 Ok Send data ending with <CRLF>.<CRLF>
Sending email 
250 OK , completed
Sending email done
221 Service Closing transmission
Sending...done
Discard changes to this group and exit? (y or n) y
D is undefined
Saving file /home/liveuser/.emacs.d/url/cookies...
Wrote /home/liveuser/.emacs.d/url/cookies

Configured using:
 'configure 'CFLAGS=-DMAIL_USE_LOCKF -O0 -ggdb3 -pipe -Wall
 -Werror=format-security -fexceptions -fstack-protector-strong
 --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic'
 LDFLAGS=-Wl,-z,relro
 --prefix=/tmp/nff/de2/fedora-emacs-src/emacs-26.1.90 --with-dbus
 --with-gif --with-jpeg --with-png --with-rsvg --with-lcms2 --with-tiff
 --with-xft --with-xpm --with-x-toolkit=gtk3 --with-gpm=yes
 --with-xwidgets --with-modules'

Configured features:
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NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS LCMS2

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Group

Minor modes in effect:
  cursor-sensor-mode: t
  gnus-desktop-notify-mode: t
  gnus-undo-mode: t
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Load-path shadows:
None found.

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Message #8 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Live System User <nyc4bos <at> aol.com>
Cc: 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 02 Dec 2018 09:29:56 +0200

> From: Live System User <nyc4bos <at> aol.com>
> Date: Sat, 01 Dec 2018 22:17:07 -0500
> 
>         After a "git pull" and make of Emacs 26.1.90, I am
>         now seeing artifacts in the echo area.
> 
>         I have "C-c g" bound to "magit-status".
> 
>         After executing "C-c g" I get the results but see in the
>         echo area:
> 
>              C-c g
> 
>         This remains in the echo area until another key is pressed.
> 
>         Additionaly, this same behavior occurs in the latest Emacs 27
>         which displays:
> 
>               C-c g-
> 
>         (Note the trailing hyphen "-" in Emacs 27 only.  Let me know
>         if this should be reported to Emacs 27 bugtracker  separately).

Can you prepare a complete stand-alone recipe for reproducing the
issue, starting from "emacs -Q"?  The recipe can include loading of
magit, if needed, but please start from "emacs -Q", and please don't
include in it anything not directly related to this issue.

>         Could it be related to the recent changes to keyboard.c?

Which ones?

Thanks.

Message #11 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 33571 <at> debbugs.gnu.org, nyc4bos <at> aol.com
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 02 Dec 2018 09:43:18 +0200

> Date: Sun, 02 Dec 2018 09:29:56 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 33571 <at> debbugs.gnu.org
> 
> > From: Live System User <nyc4bos <at> aol.com>
> > Date: Sat, 01 Dec 2018 22:17:07 -0500
> > 
> >         After a "git pull" and make of Emacs 26.1.90, I am
> >         now seeing artifacts in the echo area.
> > 
> >         I have "C-c g" bound to "magit-status".
> > 
> >         After executing "C-c g" I get the results but see in the
> >         echo area:
> > 
> >              C-c g
> > 
> >         This remains in the echo area until another key is pressed.
> > 
> >         Additionaly, this same behavior occurs in the latest Emacs 27
> >         which displays:
> > 
> >               C-c g-
> > 
> >         (Note the trailing hyphen "-" in Emacs 27 only.  Let me know
> >         if this should be reported to Emacs 27 bugtracker  separately).
> 
> Can you prepare a complete stand-alone recipe for reproducing the
> issue, starting from "emacs -Q"?

Forget it, I reproduced this in texinfo-mode.

This is indeed caused by the recent change in keyboard.c.  Paul, could
you please take a look?  (I've reverted the change in the emacs-26
branch for now.)

Thanks.

Message #14 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 33571 <at> debbugs.gnu.org, nyc4bos <at> aol.com
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 2 Dec 2018 09:43:26 -0800

Eli Zaretskii wrote:
> Forget it, I reproduced this in texinfo-mode.
> 
> This is indeed caused by the recent change in keyboard.c.  Paul, could
> you please take a look?

What's the reproducer you used? I tried visiting files in texinfo mode and 
couldn't see any difference in behavior. For example, if I start Emacs this way:

src/emacs -Q doc/lispref/windows.texi

and then type 'C-c /' quickly, it doesn't echo, and if I type slowly it does 
echo, and this is true for me in the emacs-26 branch regardless of whether the 
patch is installed.

Message #17 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 33571 <at> debbugs.gnu.org, nyc4bos <at> aol.com
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 02 Dec 2018 20:10:04 +0200

> Cc: nyc4bos <at> aol.com, 33571 <at> debbugs.gnu.org
> From: Paul Eggert <eggert <at> cs.ucla.edu>
> Date: Sun, 2 Dec 2018 09:43:26 -0800
> 
> Eli Zaretskii wrote:
> > Forget it, I reproduced this in texinfo-mode.
> > 
> > This is indeed caused by the recent change in keyboard.c.  Paul, could
> > you please take a look?
> 
> What's the reproducer you used?

Visit a Texinfo file, then type "C-c C-c c".

> I tried visiting files in texinfo mode and 
> couldn't see any difference in behavior. For example, if I start Emacs this way:
> 
> src/emacs -Q doc/lispref/windows.texi
> 
> and then type 'C-c /' quickly, it doesn't echo, and if I type slowly it does 
> echo, and this is true for me in the emacs-26 branch regardless of whether the 
> patch is installed.

Hmm... you are right.  I guess I somehow unconsciously typed quickly
when testing without the patch and slowly with it.

I've reinstated the change on the emacs-26 branch.  Sorry for the
noise.

I guess the bug should be closed as expected behavior, as I see that
all the way back to Emacs 22.1.

Message #20 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Live System User <nyc4bos <at> aol.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 02 Dec 2018 15:56:41 -0500

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

>> Cc: nyc4bos <at> aol.com, 33571 <at> debbugs.gnu.org
>> From: Paul Eggert <eggert <at> cs.ucla.edu>
>> Date: Sun, 2 Dec 2018 09:43:26 -0800
>> 
>> Eli Zaretskii wrote:
>> > Forget it, I reproduced this in texinfo-mode.
>> > 
>> > This is indeed caused by the recent change in keyboard.c.  Paul, could
>> > you please take a look?
>> 
>> What's the reproducer you used?
>
> Visit a Texinfo file, then type "C-c C-c c".
>
>> I tried visiting files in texinfo mode and 
>> couldn't see any difference in behavior. For example, if I start Emacs this way:
>> 
>> src/emacs -Q doc/lispref/windows.texi
>> 
>> and then type 'C-c /' quickly, it doesn't echo, and if I type slowly it does 
>> echo, and this is true for me in the emacs-26 branch regardless of whether the 
>> patch is installed.
>
> Hmm... you are right.  I guess I somehow unconsciously typed quickly
> when testing without the patch and slowly with it.
>
> I've reinstated the change on the emacs-26 branch.  Sorry for the
> noise.
>
> I guess the bug should be closed as expected behavior, as I see that
> all the way back to Emacs 22.1.

  I am seeing:

       C-g-

  remaining in the echo area (please note trailing hyphen "-") in
  Emacs 27.

  Shpuld I open up a new bug report for Emacs 27 for this or is this
  also considered expected behavior?

  Thanks.

Message #23 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Live System User <nyc4bos <at> aol.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 2 Dec 2018 15:18:54 -0800

Live System User wrote:
>    I am seeing:
> 
>         C-g-
> 
>    remaining in the echo area (please note trailing hyphen "-") in
>    Emacs 27.

If I run 'emacs -Q' and type C-g, I see "Quit" in the echo area.

Perhaps you meant "C-c"? If I run 'emacs -Q' and type C-c and wait, I see "C-c-" 
in the echo area (with the trailing hyphen). However, that's normal and the 
behavior of Emacs hasn't changed there in quite some time. The trailing hyphen 
advises the user to type another keystroke in that context.

In the past, Emacs has had problems where the echo area wasn't cleared properly, 
and it sounds like you're seeing a bug in that area. However, I doubt whether 
any such bug is related to my recent changes to keyboard.c in the emacs-26 
branch. As Eli suggested, to debug your problem we'll need a complete 
stand-alone recipe for reproducing your problem, starting from 'emacs -Q'.

Message #26 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Live System User <nyc4bos <at> aol.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Sun, 02 Dec 2018 20:16:11 -0500

Paul Eggert <eggert <at> cs.ucla.edu> writes:

> Live System User wrote:
>>    I am seeing:
>>
>>         C-g-
>>
>>    remaining in the echo area (please note trailing hyphen "-") in
>>    Emacs 27.
>
> If I run 'emacs -Q' and type C-g, I see "Quit" in the echo area.

  Sorry, I meant to type:

         C-c g-

   which I have bound to "magit-status":

(defadvice magit-status (around magit-fullscreen activate)
  (window-configuration-to-register :magit-fullscreen)
  ad-do-it
  (delete-other-windows))
(global-set-key "\C-c\g" 'magit-status)


>
> Perhaps you meant "C-c"? If I run 'emacs -Q' and type C-c and wait, I
> see "C-c-" 
> in the echo area (with the trailing hyphen). However, that's normal
> and the behavior of Emacs hasn't changed there in quite some time. The
> trailing hyphen advises the user to type another keystroke in that
> context.
>
> In the past, Emacs has had problems where the echo area wasn't cleared
> properly, and it sounds like you're seeing a bug in that
> area. However, I doubt whether any such bug is related to my recent
> changes to keyboard.c in the emacs-26 branch. As Eli suggested, to
> debug your problem we'll need a complete stand-alone recipe for
> reproducing your problem, starting from 'emacs -Q'.


  I'll try to get a minimal configuration.

  Thanks.

Message #29 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Live System User <nyc4bos <at> aol.com>
Cc: eggert <at> cs.ucla.edu, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Mon, 03 Dec 2018 07:57:06 +0200

> From: Live System User <nyc4bos <at> aol.com>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  33571 <at> debbugs.gnu.org
> Date: Sun, 02 Dec 2018 20:16:11 -0500
> 
>   Sorry, I meant to type:
> 
>          C-c g-
> 
>    which I have bound to "magit-status":
> 
> (defadvice magit-status (around magit-fullscreen activate)
>   (window-configuration-to-register :magit-fullscreen)
>   ad-do-it
>   (delete-other-windows))
> (global-set-key "\C-c\g" 'magit-status)

Sounds like something else in your customizations or the packages you
load defines "C-c g" as a prefix key.  Because if I bind "C-c g" to
some function and then type "C-c g", I see "C-C g" in the echo area,
not "C-c g-".

Message #32 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Live System User <nyc4bos <at> aol.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: eggert <at> cs.ucla.edu, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Mon, 03 Dec 2018 15:03:04 -0500

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

>> From: Live System User <nyc4bos <at> aol.com>
>> Cc: Eli Zaretskii <eliz <at> gnu.org>,  33571 <at> debbugs.gnu.org
>> Date: Sun, 02 Dec 2018 20:16:11 -0500
>> 
>>   Sorry, I meant to type:
>> 
>>          C-c g-
>> 
>>    which I have bound to "magit-status":
>> 
>> (defadvice magit-status (around magit-fullscreen activate)
>>   (window-configuration-to-register :magit-fullscreen)
>>   ad-do-it
>>   (delete-other-windows))
>> (global-set-key "\C-c\g" 'magit-status)
>
> Sounds like something else in your customizations or the packages you
> load defines "C-c g" as a prefix key.  Because if I bind "C-c g" to
> some function and then type "C-c g", I see "C-C g" in the echo area,
> not "C-c g-".

  I'm still trying to put together the mimimal configuration.

  If "C-c g" is somehow being defined as a prefix  key, it's not
  showing up as such in "C-h b" (describe-bindings).

  Thanks.

Message #35 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Live System User <nyc4bos <at> aol.com>
Cc: eggert <at> cs.ucla.edu, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Mon, 03 Dec 2018 22:28:52 +0200

> From: Live System User <nyc4bos <at> aol.com>
> Cc: eggert <at> cs.ucla.edu,  33571 <at> debbugs.gnu.org
> Date: Mon, 03 Dec 2018 15:03:04 -0500
> 
>   If "C-c g" is somehow being defined as a prefix  key, it's not
>   showing up as such in "C-h b" (describe-bindings).

What do the below produce when evaluated?

  (global-key-binding "\C-cg")
  (local-key-binding "\C-cg")
  (minor-mode-key-binding "\C-cg")

Message #38 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Live System User <nyc4bos <at> aol.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: eggert <at> cs.ucla.edu, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Mon, 03 Dec 2018 16:06:43 -0500

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

>> From: Live System User <nyc4bos <at> aol.com>
>> Cc: eggert <at> cs.ucla.edu,  33571 <at> debbugs.gnu.org
>> Date: Mon, 03 Dec 2018 15:03:04 -0500
>> 
>>   If "C-c g" is somehow being defined as a prefix  key, it's not
>>   showing up as such in "C-h b" (describe-bindings).
>
> What do the below produce when evaluated?
>
>   (global-key-binding "\C-cg")
>   (local-key-binding "\C-cg")
>   (minor-mode-key-binding "\C-cg")

    I did a switch-to-buffer *scratch* and evaluated.

    Here is the results for each:

magit-status
1 (#o1, #x1, ?\C-a)
nil

        Thanks.

Message #41 received at 33571 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Live System User <nyc4bos <at> aol.com>
Cc: eggert <at> cs.ucla.edu, 33571 <at> debbugs.gnu.org
Subject: Re: bug#33571: 26.1.90; Artifacts in echo area
Date: Tue, 04 Dec 2018 08:34:05 +0200

> From: Live System User <nyc4bos <at> aol.com>
> Cc: eggert <at> cs.ucla.edu,  33571 <at> debbugs.gnu.org
> Date: Mon, 03 Dec 2018 16:06:43 -0500
> 
> >   (global-key-binding "\C-cg")
> >   (local-key-binding "\C-cg")
> >   (minor-mode-key-binding "\C-cg")
> 
>     I did a switch-to-buffer *scratch* and evaluated.
> 
>     Here is the results for each:
> 
> magit-status
> 1 (#o1, #x1, ?\C-a)
> nil

Then perhaps something other than a binding is responsible for the
trailing dash in your "C-c g-" echo, although that is how Emacs echoes
prefix keys.  Bisect your customizations, if you cannot come up with a
minimal reproduction recipe.

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