[XeTeX] rendering of U+0903

[Zdenek Wagner]

2015-04-14 15:17 GMT+02:00 Arthur Reutenauer <
arthur.reutenauer at normalesup.org>:

> > The problem is that AFAIK the Indic scripts are not yet implemented in
> > luatex.
>
>   Actually it is, at least for Devanagari.  This is fairly recent (2-3
> years).
>
> I have just tried with luatex from TL 2014 using a short text from this
test page:
http://hroch486.icpf.cas.cz/freefont-devanagari/
Snaskrit2003 was used. Unfortunatelly it does not work at all. If someone
has time to fix it, I will start with simler samples. No conjuncts are
built, viramas are always used although either the conjuncts or half
consonants exist. I do not know the specificatin and do not have time to
study it, I can only help with testing.


Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz



> >         The dotted ring is not a part of the glyph. the Unicode shaper
> > (HarfBuzz in XeTeX) knows that visarga is a dependent vowel (matra) and
> > since a consonant is missing, it takes the dotted ring from the font (it
> > should exist as a glyph per Microsoft's recommendation).
>
>   That's interesting, thanks for the explanation.  But Manfred doesn't
> want LuaTeX to produce the same output as XeTeX, he wants it the other
> way round.  What you're saying implies that it's not really possible
> with a conformant font.
>
> > I have quite a lot of texts in Hindi, if you develop such a shaper in
> lua,
> > I can offer testing.
>
>   You should get in touch with Hans and others on the ConTeXt list.
>
>         Arthur
>
>
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