Re: Unicode confusables and reordering characters considered harmful

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz@gnu.org>,  Stefan Kangas <stefan@marxist.se>,
>   cpitclaudel@gmail.com,  emacs-devel@gnu.org
> Date: Tue, 02 Nov 2021 21:07:05 -0400
> 
> > Given that the vulnerability is limited to source code, in which AFAIU
> > there's no legitimate use of such characters, would the following not
> > be enough?
> 
> I'm pretty sure there are legitimate uses of such characters in source code.
> Maybe there are significant parts of the world where this is extremely rare,
> but we shouldn't generalize too quickly.

Agreed.  Especially since some thought was already invested in this,
and we have some of those ideas implemented since Emacs 25.1.