Input lines are echoed in emacs shell-mode after invoking gnuplot

Bug #533270 reported by Toshio Ito on 2010-03-06
10
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnuplot
Unknown
Unknown
gnuplot (Ubuntu)
Low
Unassigned

Bug Description

Binary package hint: emacs23

versions:
emacs23: 23.1+1-4ubuntu3.1
gnuplot: 4.2.5-2

I use Xubuntu 9.10 (Karmic).
After invoking gnuplot in shell-mode, every command input to the shell is echoed.

To reproduce:
1. $ emacs -q
2. In emacs, type M-x shell
3. In shell-mode, type
 $ gnuplot
 to run gnuplot
4. Type C-d to quit gnuplot.
5. Type, for example,
 $ ls
 in shell-mode, then you will see "ls" itself followed by the content of your home directory.
 The line of "ls" should not be shown.

I admit this is a very trivial problem, but a bit annoying to me.

Note:
- "python" and "fdisk", which also have their own prompt, do not cause this problem.
- When I invoke gnuplot in ansi-term mode, the echoing does not occur.

Changed in emacs23 (Ubuntu):
status: New → Confirmed
importance: Undecided → Low
Charlie Kravetz (charlie-tca) wrote :

Thank you for this bug report and the very clear directions to reproduce it. I can confirm this bug exists in Lucid Lynx using emacs23.1+1-4ubuntu5. A workaround is to exit the shell and restart it. The echo then turns off. This has been forwarded upstream by message to <email address hidden> according to the directions in emacs23 for bug reporting. Thanks for taking the time to make Ubuntu better!

Changed in emacs23 (Ubuntu):
status: Confirmed → Triaged
Charlie Kravetz (charlie-tca) wrote :

From: <email address hidden> (Emacs bug Tracking System)
To: Charlie Kravetz
Subject: bug#5694: Acknowledgement (23.1; Input lines are echoed in shell-mode after invoking gnuplot)
Date: Sun, 07 Mar 2010 17:35:01 +0000
Reply-To: <email address hidden>
X-Mailer: MIME-tools 5.427 (Entity 5.427)

Thank you for filing a new bug report with Emacs.

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5694: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=5694
Emacs Bug Tracking System
Contact <email address hidden> with problems

Charlie Kravetz (charlie-tca) wrote :

From: Andreas Schwab <???@linux-m68k.org>
To: Charlie Kravetz

Subject: Re: bug#5694: 23.1; Input lines are echoed in shell-mode after invoking gnuplot
Date: Mon, 08 Mar 2010 00:50:20 +0100
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.93 (gnu/linux)

Charlie Kravetz writes:

> This was reported to Ubuntu Launchpad as https://bugs.launchpad.net/bugs/533270.
>
> 1. start emacs using emacs -q
> 2. In emacs, type M-x shell
> 3. In shell-mode, type
> gnuplot RET
> to run gunplot
> 4. Type C-d to quit gnuplot
> 5. Type any command, for example,
> ls
> in shell-mode. The command will echo as the first line of the results.

I cannot reproduce that. In any case, this looks rather like a bug in
gnuplot clobbering the terminal (echo) settings.

Andreas.

--
Andreas Schwab
"And now for something completely different."

era (era) wrote :

As per Emacs upstream's comments, reassigning to gnuplot

affects: emacs23 (Ubuntu) → gnuplot (Ubuntu)
Changed in gnuplot (Ubuntu):
status: Triaged → New
era (era) on 2010-03-08
summary: - Input lines are echoed in shell-mode after invoking gnuplot
+ Input lines are echoed in emacs shell-mode after invoking gnuplot
Charlie Kravetz (charlie-tca) wrote :
Changed in gnuplot (Ubuntu):
status: New → Triaged
affects: othervdr → gnuplot
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