[XeTeX] FreeSerif fonts and devanagari ligatures

[Zdenek Wagner]

2014-03-11 17:36 GMT+01:00 François Patte <francois.patte at mi.parisdescartes.fr>:
> Le 11/03/2014 15:06, Zdenek Wagner a écrit :
>> 2014-03-11 14:44 GMT+01:00 François Patte <francois.patte at mi.parisdescartes.fr>:
>>> Le 11/03/2014 12:46, Zdenek Wagner a écrit :
>>>> 2014-03-11 1:04 GMT+01:00 Khaled Hosny <khaledhosny at eglug.org>:
>>>>> On Mon, Mar 10, 2014 at 11:02:02PM +0100, Zdenek Wagner wrote:
>>>>>> Harfbuzz broke the indic rules
>>>>>
>>>>> Just to be clear, Pango/ICU had broken and/or incomplete Indic support,
>>>>> some fonts worked fine because they were specifically tested against
>>>>> them and adapted to their limitations, but the fonts were broken in
>>>>> other implementations (namely the de facto standard OpenType
>>>>> implementation and any other that followed it).
>>>>>
>>>> I have just built FreeFont revision 2910 from svn
>>>
>>> Where do you find them?
>>>
>> https://savannah.gnu.org/projects/freefont/
>
> Thank you. These are the fonts coming with texlive-2013.
>
Yes, byt TL 2013 contains the official release of FreeFont dated
2012-05-03. This release does not work with Harfbuzz. A lot of
problems were fixed, the working version appeared  on subversion about
half year ago. Thus even a bit old revision works but definitely not
the official release.
>
> Can you try to compile this sample and look at ligature tr (gotra) on
> first line, ligature  śr on second line and ligature pr on third line.
>
Attached, all OK with a newer version of FreeFont.

> I get these ligatures disabled with a virama....
>
>
> \documentclass[a4paper,11pt]{report}
>
> \usepackage{xltxtra}
>
> \setmainfont[Mapping=tex-text]{%
>   FreeSerif%
> }
>
> \usepackage[sanskrit]{babel}
>
> \newfontfamily\sanskritfont[%
> Script=Devanagari,Mapping=RomDev,Language=Sanskrit,AutoFakeSlant=0.2]{FreeSerif}
>
> \begin{document}
>
> {\sanskritfont%
>
> atha
> śāṇḍilyagotramunivara
>
> śrīmaheśvaro
>
> pratyūhavyūhanirāsāya
>
> }
>
> \end{document}
>
>
>
>
> --
> François Patte
> UFR de mathématiques et informatique
> Laboratoire CNRS MAP5, UMR 8145
> Université Paris Descartes
> 45, rue des Saints Pères
> F-75270 Paris Cedex 06
> Tél. +33 (0)1 8394 5849
> http://www.math-info.univ-paris5.fr/~patte
>
>
>
>
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-- 
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz
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