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Subject: Re: UNICODE Private Use Area characters in BUFFER
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> 2022/11/04 19:33, Roman Perepelitsa <roman.perepelitsa@gmail.com> wrote:
> 
> On Fri, Nov 4, 2022 at 11:32 AM Jun T <takimoto-j@kba.biglobe.ne.jp> wrote:
>> 
>> 
>> I can't find this option. Do you mean the option "Ambiguous characters
>> are double-width"?
> 
> That's the one.

Then many other terminals (gnome-terminal, Apple's Terminal.app, etc.)
have similar options. The option is mainly intended to control the width
of "East Asian Ambiguous Width" characters, such as $'\u25ef' (there are
many of them).