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To:	cygwin AT cygwin DOT com
From:	Thomas Wolff <towo AT towo DOT net>
Subject:	Single-width display option
Message-ID:	<4a421761-b762-563f-23bc-114456906d6a@towo.net>
Date:	Mon, 17 Feb 2020 19:50:18 +0100
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I have implemented a single-width display option for mintty 
(https://github.com/mintty/mintty/issues/964).
With this feature enabled, CJK characters are rendered single-width.

While this may appear alien for terminal users who are used to the 
established dual-width paradigm, some people may in fact prefer it, as 
advocated and visually motivated in 
https://gitlab.freedesktop.org/terminal-wg/specifications/issues/9#note_406682.

In order to support locale-consistent width handling with this option, 
I'm proposing another locale modifier "@cjksingle" which triggers this 
behaviour for the wcwidth/wcswidth API. I've prepared a patch which I'll 
send to the newlib list.

Thomas

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