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From: =?koi8-r?Q?=E1=CC=C5=CB=D3=C5=CA_?= =?koi8-r?Q?=FB=C9=CC=C9=CE?= <rootlexx@mail.ru>
Newsgroups: gnu.bash.bug
Subject: Re: [readline] Multibyte invisible chars cause weird prompt length calculation issue
Date: Tue, 26 Nov 2019 14:45:49 +0300
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Approved: bug-bash@gnu.org
Message-ID: <mailman.2688.1574768759.13325.bug-bash@gnu.org>
References: <3dd641953467a3299265e479026fc40a7bb697d4.camel@mail.ru> <5DDC8DEC.7000602@tlinx.org> <7e3b83df07c20ccd75373f8804d2b0f2f930c773.camel@mail.ru>
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To: L A Walsh <bash@tlinx.org>, bug-bash@gnu.org
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В Пн, 25/11/2019 в 18:29 -0800, L A Walsh пишет:
>     Multi-byte or not, invisible characters need to be enclosed
> as documented under 'PROMPTING':
> 
>      \[     begin a sequence of non-printing characters, which  could
>             be  used  to  embed  a terminal control sequence into the
>             prompt
>      \]     end a sequence of non-printing characters
> 

I know that.

And they *are* enclosed: PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot...
                              ^~                ^~

As expected, they are not being printed -- but for some reason lead to
the described issue.