Re: Unicode confusables and reordering characters considered harmful

[Dmitry Gutov]

On 10.11.2021 20:03, Eli Zaretskii wrote:
> > From: Dmitry Gutov <dgutov@yandex.ru>
> > Date: Wed, 10 Nov 2021 18:47:12 +0300
> >
> > Here's also an article from yesterday focusing on _invisible_ characters:
> >
> > https://certitude.consulting/blog/en/invisible-backdoor/
>
> First, that character (U+3164) is not invisible in Emacs: it displays
> as a very wide space, so should probably stand out even if not
> specifically highlighted.

I have tried out that example in Emacs, and could only notice those 
chars when the cursor is directly over it (displayed as a wide space, yes).

> And second, UTS #39 covers such characters as well.  So if we
> implement some of the recommendations there, we will flag this case as
> well.

Sounds good to me.