[luatex] Info on direction primitives/implementation

[Reinhard Kotucha]

On 2012-12-04 at 11:43:40 +0000, Joseph Wright wrote:

 > Tracking changes through from one engine to another is pretty
 > tricky, particularly when the docs for the older engines are not so
 > easy to find.

Omega was part of TeX Live until TL-2008.  If you still have old TeX
Live CDs/DVDs, it's worthwhile to look there.

Regards,
  Reinhard

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Reinhard Kotucha                                      Phone: +49-511-3373112
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