bug#11860: 24.1; Arabic - Harakat (diacritics, short vowels) don't appear

[Kenichi Handa]

In article <83wr0bdrwh.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:

> > By the way, it seems that "arial" font has better OTF GPOS feautre
> > for Arabic than the default font "courier new".
> > 
> > Try to evaluate this on Windows:
> >   (set-fontset-font t 'arabic (font-spec :family "arial" :size 30))
> > and see the position of upper vowels.

> It indeed looks nicer, but its base line is too high, IMHO, and thus
> the Arabic text looks awkward wrt surrounding Latin text, see the
> attached snapshot.

That's perhaps because of ":size 30".  I specified it to
highlight the effect of GPOS.  If you don't specify it, it
seems that the result looks better, though, of course, I'm
not an expert of typesetting Arabic-English mixed test.

BTW, typesetting multiple scripts with different fonts is
a difficult task.


---
Kenichi Handa
handa@gnu.org