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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: ^L printed when resizing Emacs split window using ksh93
Date: Mon, 20 Apr 2020 19:08:45 +0300
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In-Reply-To: <305853CD-FAE5-422B-B080-AAC8697E541F@gmail.com> (message from
 Nicholas Papadonis on Mon, 20 Apr 2020 10:45:18 -0400)
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> From: Nicholas Papadonis <nick.papadonis.ml@gmail.com>
> Date: Mon, 20 Apr 2020 10:45:18 -0400
> Cc: Bruno Félix Rezende Ribeiro <oitofelix@gnu.org>,
>  Korn Shell <korn-shell@googlegroups.com>
> 
> Does anyone know where to start debugging this?

I don't understand: you've reported this to the Emacs bug tracker, and
someone provided an answer:

  https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40589#8

This is a known issue, and we have already debugged it in the past.