bug#19993: 25.0.50; Unicode fonts defective on Windows

[Eli Zaretskii]

> Date: Tue, 10 Mar 2015 09:29:56 -0700
> From: Ilya Zakharevich <ilya@math.berkeley.edu>
> Cc: 19993@debbugs.gnu.org
> 
> Choosing the first font which has a subset of a character “identified”
> is not a reasonable thing to do.

See my other messages: I'm not sure we actually do that.  It's
possible that the subrange test is used only as a filter, after we
already identified the candidate fonts.