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Re: [External] : Re: Strange whitespaces.


From: Hongyi Zhao
Subject: Re: [External] : Re: Strange whitespaces.
Date: Fri, 1 Oct 2021 09:51:22 +0800

On Fri, Oct 1, 2021 at 12:27 AM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Drew Adams <drew.adams@oracle.com>
> > Date: Thu, 30 Sep 2021 15:20:30 +0000
> >
> > > Why are both displayed as red underscores in Emacs?
> >
> > I don't think the EN SPACE is displayed that way.
> > Not with `emacs -Q' (no init file), at least.  But
> > I don't have an Emacs 28 prerelease build - maybe
> > they changed Emacs 28 to highlight that as well.
>
> They did.  We now highlight any non-ASCII character whose Unicode
> general category is "Space Separator" (or Zs for short).

I fail to see the connection between the abbreviation and the original
representation it stands for.

> That includes EN SPACE.
>
> > Note that `nobreak-char-display' highlights all
> > no-break (aka "hard") characters, not just the
> > no-break space.  IOW, it highlights hard hyphens
> > (code point 8209) as well as hard spaces.
>
> It highlights much more, see above.



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