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To: Cygwin General Mailing List <cygwin AT cygwin DOT com>
Subject: Mintty text glitches when using up key
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Date: Thu, 27 Aug 2020 17:55:13 +0100
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From: Hamish McIntyre-Bhatty via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Hamish McIntyre-Bhatty <hamishmb AT live DOT co DOT uk>
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Hi,

For a while I've noticed that if I run a long command (usually has to
wrap to next line down), that my Mintty session often becomes all messed
up if I use the up arrow keys to try and run it again later. Has anyone
else experienced this?

Another, probably unrelated, observation is that if a command produces a
lot of long lines that get wrapped, if I make the Mintty window wider,
the lines stay wrapped. This behaves much like other terminal emulators
I used in the past, including gnome-terminal. At some point, this was
fixed in gnome-terminal, so I wonder if that fix would be relevant here t=
oo.

Unfortunately I know precious little about how terminal emulation works
so I'm not likely to be able to provide a fix, but I'm interested to see
if anyone else has experienced this or has found workarounds. It seems
to happen with both 32-bit and 64-bit Cygwin for me.

Hamish


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