Re: [readline] Multibyte invisible chars cause weird prompt length calculation issue

[Chet Ramey]

On 11/27/19 11:24 AM, Алексей Шилин wrote:
> В Ср, 27/11/2019 в 11:02 -0500, Chet Ramey пишет:
> > On 11/25/19 10:05 AM, Алексей Шилин wrote:
> >
> > > Bash Version: 5.0
> > > Patch Level: 11
> > > Release Status: release
> > >
> > > Description:
> > >
> > > I'm using the following PS1 prompt (Debian's default for normal
> > > users):
> > >
> > > \[\e]0;\u@\h:
> > > \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[
> > > 00m\
> > > ]:\[\033[01;34m\]\w\[\033[00m\]\$
> > >
> > > ...where the first block '\[\e]0;\u@\h: \w\a\]' is for setting
> > > xterm's
> > > title, and the rest is Debian's "fancy" shell prompt.
> >
> > Is there a literal newline in the prompt string? And is it in the
> > middle
> > of the non-printing character block?
>
> No, of course not. It's Evolution doing its thing, splitting the line.
> Sorry for the confusion.

OK. The reason I ask is that I can (unsurprisingly) reproduce multiple
redisplay issues if the newline after the `\h:' is present, but none
when $PS1 doesn't contain any newlines.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/