GNU bug report logs - #33729
27.0.50; Partial glyphs not rendered for Gujarati with Harfbuzz enabled (renders fine using m17n)

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Message #95 received at 33729 <at> debbugs.gnu.org (full text, mbox):

From: Khaled Hosny <dr.khaled.hosny <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 33729 <at> debbugs.gnu.org, rgm <at> gnu.org, kaushal.modi <at> gmail.com,
 far.nasiri.m <at> gmail.com, behdad <at> behdad.org
Subject: Re: bug#33729: 27.0.50; Partial glyphs not rendered for Gujarati
 with Harfbuzz enabled (renders fine using m17n)
Date: Sat, 22 Dec 2018 22:59:48 +0200

On Sat, Dec 22, 2018 at 09:38:43PM +0200, Eli Zaretskii wrote:
> > Date: Sat, 22 Dec 2018 17:49:45 +0200
> > From: Khaled Hosny <dr.khaled.hosny <at> gmail.com>
> > Cc: rgm <at> gnu.org, far.nasiri.m <at> gmail.com, behdad <at> behdad.org,
> > 	33729 <at> debbugs.gnu.org, kaushal.modi <at> gmail.com
> > 
> > Yes, the standard Unicode composition and decomposition. HarfBuzz uses
> > these during shaping (it prefers composed form for a given sequence if
> > supported by the font, and falls back to decomposed form otherwise).
> 
> Btw, how is this problem solved in the other projects that use
> Harfuzz?  Does every project need to provide this functionality, or
> does Harfuzz have it built-in, like with the script tags?  If there's
> built-in support for this, perhaps Emacs could just use that?

There is built-in support, and currently we are using that. I can just
remove the FIXME.

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