Re: Can watermarking Unicode text using invisible differences sneak through Emacs, or can Emacs detect it?

[Eli Zaretskii]

> From: Yuri Khan <yuri.v.khan@gmail.com>
> Date: Thu, 3 Feb 2022 15:16:27 +0700
> Cc: Richard Stallman <rms@gnu.org>, Phil Sainty <psainty@orcon.net.nz>, Po Lu 
> <luangruo@yahoo.com>, 
>       Emacs developers <emacs-devel@gnu.org>, Kévin Le Gouguec 
> <kevin.legouguec@gmail.com>
> 
> On Thu, 3 Feb 2022 at 15:09, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > > Sorry, somehow I misremembered and thought the character was a with
> > > macron and tilde.  Was it actually a with breve and tilde?
> > > Then the natural visual representations would be ă~ (a with breve,
> > > then tilde) and ã˘ (a with tilde, then breve),
> >
> > Either one would be fine, but the former is better, I think, since ~
> > is an ASCII character, and so is universally supported.
> 
> The ordering of diacritics on the same side of the base character is
> considered significant in Unicode, so ă~ and ã˘ would be
> representations of different grapheme clusters — “a with breve and
> tilde” and “a with tilde and breve”, respectively.

I know, but I think for an emulation it could be okay to ignore this
subtlety.  The real character is always available in "C-u C-x =".