GNU bug report logs - #28339
25.2; Emacs shows ZWNJ character (Zero Width non-Joiner) as Space

Previous Next

Full log

Message #86 received at 28339 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: b.riefenstahl <at> turtle-trading.net, nimawebgard <at> gmail.com
Cc: Kenichi Handa <handa <at> gnu.org>, 28339 <at> debbugs.gnu.org
Subject: Re: bug#28339: 25.2;
 Emacs shows ZWNJ character (Zero Width non-Joiner) as Space
Date: Sat, 16 Sep 2017 21:20:51 +0300

> Date: Sat, 16 Sep 2017 20:42:54 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: nimawebgard <at> gmail.com, 28339 <at> debbugs.gnu.org
> 
> > From: Benjamin Riefenstahl <b.riefenstahl <at> turtle-trading.net>
> > Cc: handa <handa <at> gnu.org>,  nimawebgard <at> gmail.com,  28339 <at> debbugs.gnu.org
> > Date: Sat, 16 Sep 2017 19:30:05 +0200
> > 
> > > [...] I thought the shaping engine gives us back glyphs that don't
> > > include ZWNJ itself.  Evidently, that's not true, which I find
> > > strange.
> > 
> > I thought that with OpenType at least that depends on the font?
> 
> It does, but Handa-san seems to say that even the best fonts don't
> consider ZWNJ part of any grapheme cluster, and always leave it alone.

Well, "always" here means "always when Arabic script is being
rendered".

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.