bug#31315: wrong font encoding for fallback font

[Eli Zaretskii]

> From: Andreas Schwab <schwab@linux-m68k.org>
> Cc: wl@gnu.org,  handa@gnu.org,  31315@debbugs.gnu.org
> Date: Mon, 30 Apr 2018 22:03:42 +0200
> 
> >> > 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?
> 
> All gb18030 encoded fonts I found only provide 2-byte codes.  That may
> be an inherent limitation.

Thanks.

Werner, can you try that, please?