GNU bug report logs - #40589
^L printed when resizing Emacs split window using ksh93

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Package: emacs;

Reported by: Nicholas Papadonis <nick.papadonis.ml <at> gmail.com>

Date: Mon, 13 Apr 2020 03:28:02 UTC

Severity: normal

Tags: moreinfo

Merged with 40732, 40735

Found in version 26.1

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

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Mike Kupfer <mkupfer <at> alum.berkeley.edu>
Cc: Nicholas Papadonis <nick.papadonis.ml <at> gmail.com>, Bruno Félix Rezende Ribeiro <oitofelix <at> gnu.org>, Korn Shell <korn-shell <at> googlegroups.com>, 40589 <at> debbugs.gnu.org
Subject: bug#40589: ^L printed when resizing Emacs split window using ksh93 
Date: Mon, 14 Jun 2021 16:08:27 +0200

Mike Kupfer <mkupfer <at> alum.berkeley.edu> writes:

>> PS2 is printed multiple times during the resize.  When entered is
>> pressed after the resize, multiple ^L s are displayed.  I set PS2=""
>> and the brackets are omitted, however ^L still remain after pressing
>> enter.
>> 
>> Is this a known issue?
>
> Yes.  Here's the text from the Emacs PROBLEMS file:
>
>   *** In Shell buffers using ksh, resizing a window inserts random characters.

I tried to reproduce this in Emacs 26.1 (and 28), but I was unable to.
Do you have a recipe, starting from "emacs -Q", that displays the
problem?

I tried:

emacs -Q
(setq shell-file-name "/bin/ksh")
M-x shell

and then resizing the window, and nothing untoward happened.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no
This bug report was last modified 3 years and 336 days ago.

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