Zdenek Wagner zdenek.wagner at
Tue Oct 15 12:12:22 CEST 2019

út 15. 10. 2019 v 12:06 odesílatel David Carlisle
<d.p.carlisle at> napsal:
> On Tue, 15 Oct 2019 at 10:41, Zdenek Wagner <zdenek.wagner at> wrote:
> >
> > Hi,
> >
> > I do not know much about OTP, I read an article about it many years
> > ago but never tried. I know the difference between XeTeX and luatex.
> > XeTeX first used ICU, now it makes use of harfbuzz, hence generally
> > all scripts are supported and should work. It is still a chance that
> > an error will be spotted by maintainers of these libraries even
> > outside TeX so we can benefit from users of other systems. In luatex
> > the glyph rendering must be programmed in lua.
> No, Ulrike's example was with luahbtex which is luatex+harfbuzz (and
> likely to be the engine used for lualatex going forward)
Thank you for explanation.
> > It can be done but
> > somebody has to do it. However, these rendering algorithms are used in
> > luatex only. Moreover, Devanagari is in luatex broken again and I am
> > not able to find a version which worked. And I do ot have time to
> > prepare a bug report. It can also be a font specific problem, because
> > the same feature can be encoded by several ways. I found that some
> > Devanageri fonts work fine in XeTeX, LibreOffice, Kate, <oXygen/>
> > (commercial XML editor), but not in MS Office.
> >

Zdeněk Wagner

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