Subject: bug#19993: 25.0.50; Unicode fonts defective on Windows

From: Eli Zaretskii <[email-masked]>
Date: Tue, 10 Mar 2015 19:41:39 +0200

> Date: Tue, 10 Mar 2015 19:05:54 +0200
> From: Eli Zaretskii <[email-masked]>
> Cc: [email-masked]
> 
> > Date: Tue, 10 Mar 2015 09:29:56 -0700
> > From: Ilya Zakharevich <[email-masked]>
> > Cc: [email-masked]
> > 
> > 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.

In fact, it's almost certainly a filter: at least my reading of
ww32font.c:font_matches_spec is that if the font spec specifies a
script, then fonts that do NOT have the corresponding subrange bit set
are rejected.