[luatex] \predisplaydirection from etex in luatex has no effect

Taco Hoekwater taco at elvenkind.com
Wed Apr 7 16:33:13 CEST 2010

Hi Vafa,

Vafa Khalighi wrote:
> The attached (test.tex, test-pdftex.pdf and test-luatex.pdf) shows that
> this primitive actually works in PDFTeX and XeTeX but it does not in
> luatex (it is defined, but does not work).

Can you try revision 3600 (from branches/0.60.x) to see whether this
fixes it? http://tracker.luatex.org/view.php?id=372

> This is a very useful primitive for bidirectional typesetting. However,
> there is a bug that Jonathan mentioned on the xetex mailing list and
> that is about spacing (look at direction.tex and direction.pdf).

That bug is still in. I prefer to wait for a patch from Peter.

Best wishes,

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