bug#44236: [PATCH] xdisp: Apply nobreak-char-display also to NARROW NO-BREAK SPACE U+202F

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Neil Roberts <bpeeluk@yahoo.co.uk>,
>   44236@debbugs.gnu.org
> Date: Sun, 01 Nov 2020 14:12:49 +0100
> 
> Juri Linkov <juri@linkov.net> writes:
> 
> > The intention of nobreak-space is to warn the user about confusable
> > characters in writable buffers.  But why highlight such characters
> > in read-only Dired buffers?
> 
> Perhaps `special-mode' should switch this highlighting off?

That sounds too drastic to me.  But perhaps we should only highlight
this character and other "thin" spaces only on TTY frames, where they
really look like a SPC?  Because on GUI frames it is quite easy to
understand that they are not a SPC character.