On Mon, May 18, 2020 at 08:41:09PM +0300, Eli Zaretskii wrote:
> > Date: Mon, 18 May 2020 19:24:41 +0200
> > From: <tomas@tuxteam.de>
> > 
> > > If Harfbuzz could tell us more precisely how to divide the glyph into
> > > subglyphs, we could do a better job, of course.
> > 
> > On a very superficial glance it seems they can [1]
> > 
> > Cheers
> > [1] https://github.com/harfbuzz/harfbuzz/blob/master/docs/usermanual-clusters.xml
> 
> AFAIK, each "cluster" corresponds to a single font glyph, and we
> already get this information from HarfBuzz, see hbfont.c.

I see, thanks. As I said, my reading was a very cursory. I'm sure
you read that doc much more thoroughly than me :-)

Thanks for the insights

Cheers
-- tomás