[tex-live] Ftuture state of XeTeX in TeXLive
khaledhosny at eglug.org
Fri Oct 28 18:40:03 CEST 2011
On Fri, Oct 28, 2011 at 05:57:20PM +0200, Zdenek Wagner wrote:
> 2011/10/28 Khaled Hosny <khaledhosny at eglug.org>:
> > On Fri, Oct 28, 2011 at 02:50:53PM +0200, Zdenek Wagner wrote:
> >> Generally, all XeTeX documents must render in luatex without the need
> >> of modifying the source. I see that things are changing. Simple नमस्ते
> >> दुनिया fails in luatex from TL 2010 but works in TL 2011. We cannot
> >> switch from XeTeX to luatex today but it may be possible in the
> >> future.
> > I by works you mean you are getting some output, then this is true,
> > otherwise I don't think you will get correct Indic rendering with the
> > current OpenType "engine" used by luatex packages.
> In Devanagari, there are two important features: creation of conjuncts
> (correct even in luatex of TL 2010) and moving short "I" matra in
> front of the consonant (correct in lualatex of TL 2011 but not TL
> 2010, I can send you the PDF's for comparison, if you like). I have
> not done any test with mor complex text (I will try some of my files).
> I cannot test other Indic scripts because I do not know them. Tibetan
> script may be difficult.
I don't know much about Indic scripts, all I know is that we have no
special code for Indic shaping, so if things work then it works because
it relies on generic OpenType features that require no special handling
from the engine.
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