[tex-live] Fontconfig for XeTeX versus regular fontconfig

Vafa Khalighi vafaklg at gmail.com
Fri Oct 28 08:04:14 CEST 2011

2011/10/28 Zdenek Wagner <zdenek.wagner at gmail.com>

> 2011/10/27 Martin Schröder <martin at oneiros.de>:
> > 2011/10/27 auxsvr <auxsvr at gmail.com>:
> >> Martin Schröder wrote:
> >> Well, then is there any reason to use xetex at all? Would switching to
> >> LuaTeX or pdfTeX lead to fewer problems? Are they more actively
> maintained?
> >
> > As of now polyglossia works only with XeLaTeX.
> >
> And how about ArabXeTeX? Is it ported to luatex?
Not yet. There are two stages for porting arabxetex to lualatex:

1) bidi: You need to develop both TeX bidi and unicode bidi. As the main
developer of bidi package I know how things should be implemented for TeX
bidi. Almost 80 percent of bidi implementtaion for xelatex applies to LuaTeX
but one needs to change primitives etc. The second part is unicode bidi,
unfortunately I have no expertise in this area, my plan is to work with
Behdad Esfahbod, Rouzbeh Pourander and my other countrymen who are experts
on unicode bidi (i.e. Behdad is the main developer of fribidi). Unicode bidi
should be done entirely in lua. Anyone willing to help with extending bidi
package to support lualatex is more than welcome. In fact, in the past I
asked Khaled id he would be interested but he had no interest.

2) arabxetex mapping does not work in luatex since luatex does not support
mapping as XeTeX does. So there are two options at least: either we need to
do it with catcode just like what arabtex does or find some other way by
using lua or using .fea files if possible.
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