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.