bug#5806: Tai Viet script

[Eli Zaretskii]

> From: Stephen Berman <stephen.berman@gmx.net>
> Date: Fri, 23 Aug 2019 09:42:11 +0200
> Cc: Andreas Schwab <schwab@linux-m68k.org>, 5806@debbugs.gnu.org
> 
> I don't know about that but at least the documentation of the Tai Viet
> script in tai-viet.el needs to be updated: the code points are no longer
> from the Private Use Area and a font with that encoding is no longer
> available at the URL provided.

Yes, of course.  But all of those are rather trivial; the problems I
mentioned aren't, at least for me.  When we fix the more serious
problems (or decide we don't know how to do that for now), we will
also fix the ones you point out.