bug#31315: wrong font encoding for fallback font

[Eli Zaretskii]

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: Werner LEMBERG <wl@gnu.org>,  Kenichi Handa <handa@gnu.org>,  
> 31315@debbugs.gnu.org
> Date: Mon, 30 Apr 2018 17:42:50 +0200
> 
> On Apr 30 2018, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > Does replacing that with something like this:
> >
> >  ("gb18030" (gb18030 . unicode))
> >
> > solve the problem?
> 
> I think it should be gb18030-2-byte, both as encoding and repertory.

Well, if we want to limit the repertory, then why not
gb18030-4-byte-bmp, which AFAIU is the mandatory part of gb18030?

But I agree that it would be good to try that, and maybe both.

Thanks.