From: Stephen Berman <stephen.berman@gmx.net>
To: Glenn Morris <rgm@gnu.org>
Cc: 13255@debbugs.gnu.org, rms@gnu.org
Subject: bug#13255: 24.2.50; output in nonvisible shell buffer changes prompt
Date: Sun, 23 Dec 2012 13:54:22 +0100 [thread overview]
Message-ID: <874njdapz5.fsf@rosalinde.fritz.box> (raw)
In-Reply-To: <6y8v8pphme.fsf@fencepost.gnu.org> (Glenn Morris's message of "Sat, 22 Dec 2012 22:33:29 -0500")
On Sat, 22 Dec 2012 22:33:29 -0500 Glenn Morris <rgm@gnu.org> wrote:
> Richard Stallman wrote:
>
>> I have a shell buffer with a program sending lots of output.
>> That buffer is not currently displayed. I type C-h, and it prompts.
>> So far, so good.
>>
>> The bug is that the prompt changes repeatedly. A space gets added at
>> the beginning and the hyphen disappears at the end. Then the space
>> disappears and the hyphen reappears. This oscillation continues
>> indefinitely at the rate of 3 or 4 changes per second.
>
> I don't see this. What I see (24.2.91) is:
>
> emacs -Q -f shell
>
> ;; run this in shell buffer
> while : ; do
> sleep 0.5
> echo hi
> done
>
> C-x b *scratch* RET
> C-h
>
> So long as the shell is looping, I get no C-h prompt at all.
> If I interrupt the loop, I get the intended:
>
> C-h (Type ? for further options)-
When I repeat Glenn's recipe in GNU Emacs 24.3.50.2
(x86_64-suse-linux-gnu, GTK+ Version 3.4.4) of 2012-12-23 on rosalinde,
revision 111308 jan.h.d@swipnet.se-20121223123537-gfe4g8dbhcckdj6e, I
also get no prompt on typing `C-h'; but if I uncheck "Blink Cursor" in
the Options menu and again type `C-h', then I see exactly what rms
reported.
Steve Berman
next prev parent reply other threads:[~2012-12-23 12:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-22 22:45 bug#13255: 24.2.50; output in nonvisible shell buffer changes prompt Richard Stallman
2012-12-23 3:33 ` Glenn Morris
2012-12-23 12:54 ` Stephen Berman [this message]
2013-01-06 2:38 ` Chong Yidong
2013-01-06 19:49 ` Stephen Berman
2021-12-04 4:15 ` Lars Ingebrigtsen
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