[XeTeX] openType and xetex

Youcef Mohammed moyoumos at gmail.com
Tue Dec 3 07:29:13 CET 2013

any news???

2012/6/29, Jonathan Kew <jfkthame at googlemail.com>:
> On 28/6/12 20:52, Adam Twardoch (List) wrote:
>> Youcef is right:
>> AFIR, XeTeX supports three layout engines:
>> * ICU Layout, cross platform, working with OT Layout tables in SFNT fonts
>> * Graphite, cross-platform, working with Graphite tables in SFNT fonts
>> * ATT, Mac OS X only, working with OT Layout tables and AAT tables in SFNT
>> fonts.
>> I don't remember whether XeTeX in addition also supports Uniscribe on
>> Windows.
>> Given the fact that XeTeX is already set up to handle multiple layout
>> engines, it would be relatively easy to add support for more -- especially
>> to add support for Harfbuzz. I would applaud if anyone volunteered to do
>> that (Harfbuzz has sample code that shows you how). It'd be particularly
>> neat since Harfbuzz itself also supports several backends, in particular
>> it supports Uniscribe on Windows. So if XeTeX does not currently support
>> Uniscribe, adding Harfbuzz support would also cheaply add Uniscribe
>> support. Harfbuzz also has Graphite2 support so the old direct Graphite
>> support in XeTeX could be replaced or complemented with
>> Harfbuzz+Graphite2.
>> XeTeX would be seriously improved if Harfbuzz support were added.
> Yes, that'd be a great step forward, now that the harfbuzz API is (I
> think) reasonably stable. I'd love to see it to completely replace the
> use of ICU layout eventually, but it's not quite ready for that yet.
> JK
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