Re: Unicode confusables and reordering characters considered harmful, a simple solution

[Eli Zaretskii]

> Date: Thu, 04 Nov 2021 09:06:10 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: cpitclaudel@gmail.com, yuri.v.khan@gmail.com, stefan@marxist.se, 
>     emacs-devel@gnu.org, db48x@db48x.net, monnier@iro.umontreal.ca, 
>     juri@linkov.net
> 
> > If you shift-highlight one of these formatting control characters, and 
> > only one such character, don't you see a thin whitespace shown in the 
> > background color of the region face?
> 
> If you look very close, yes, you see see something in that case.  In the 
> attached screenshot, there's a one-pixel light gray bar on the left of the 
> cursor.  That's not what I'd consider "visible".

I don't see even that bar on the image you posted, not sure why.

Anyway, for making these characters stand out, one would need to use a
color that is more prominent than light gray, probably some shade of
red.