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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Suggest installing more fonts?
Date: Sat, 17 Oct 2020 21:56:44 +0300
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In-Reply-To: <83o8l0sn3w.fsf@gnu.org> (message from Eli Zaretskii on Sat, 17
 Oct 2020 21:50:43 +0300)
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> Date: Sat, 17 Oct 2020 21:50:43 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: larsi@gnus.org, monnier@iro.umontreal.ca, emacs-devel@gnu.org
> 
> For example, look at xftfont_open, which is one implementation of how
> to open a font.  Count the number of functions and variables whose
> names begin with "Fc" -- those are references to the Fontconfig
> library.  Under your proposal, we'd need to implement all that in our
> own code, is that right?

Correction: not only the Fc* functions (from Fontconfig), but also the
Xft* functions (from libXft) -- the latter actually access the font
files and extract data from them.