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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Ligatures (was: Unify the Platforms: Cairo+FreeType+Harfbuzz
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Date: Mon, 18 May 2020 22:15:34 +0300
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To: =?utf-8?Q?Cl=C3=A9ment?= Pit-Claudel <cpitclaudel@gmail.com>
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> Cc: emacs-devel@gnu.org
> From: Clément Pit-Claudel <cpitclaudel@gmail.com>
> Date: Mon, 18 May 2020 15:01:49 -0400
> 
> I asked on Firefox' Matrix server.  Here is a lightly edited transcript:

Thanks.  So it's pure heuristic, and works only in simple cases.

We could ask on the HarfBuzz list how many fonts provide meaningful
information for the hb_ot_layout_get_ligature_carets function to
return useful data.  If someone is interested in working on that, that
is.