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.

Full log

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

From: Nicholas Papadonis <nick.papadonis.ml <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: Bruno Félix Rezende Ribeiro <oitofelix <at> gnu.org>,
 Korn Shell <korn-shell <at> googlegroups.com>
Subject: ^L printed when resizing Emacs split window using ksh93 
Date: Sun, 12 Apr 2020 23:23:05 -0400

[Message part 1 (text/plain, inline)]
I have attached a screen shot of the issue.  The issue occurs when Emacs is in split window mode, X session and M-x shell is invoked.  The shell is ksh93.  I tried finding the Emacs bug tracker, however this is the only method I found to file a bug. This has been reproduced by others.

Screenshot of issue:
http://nickpapadonis.com/images-share/emacs-ksh-0.png <http://nickpapadonis.com/images-share/emacs-ksh-0.png>

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?  I have CC'd KSH list in case the problem is on the ksh93 side.

Thanks

Emacs 26.1 build 2.

1 [debian:~]$ echo $0
-ksh93
2 [debian:~]$ ksh93 --version
  version         sh (AT&T Research) 93u+ 2012-08-01
3 [debian:~]$ echo ${.sh.version}
Version AJM 93u+ 2012-08-01
[Message part 2 (text/html, inline)]
This bug report was last modified 3 years and 336 days ago.

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