[luatex] Info on direction primitives/implementation

[Khaled Hosny]

On Tue, Dec 04, 2012 at 01:52:19PM +0000, Joseph Wright wrote:
> Very useful, thanks. Point about detail understood: at the moment I'm
> trying to get my head around the entire area, and to see how the LuaTeX
> version contrasts with the pdfTeX/XeTeX approach.

In the last few days I have been fancying the idea of scrapping TeX--XeT
from XeTeX and replacing it with code from Aleph (with LuaTeX
modifications backported to it), but no work has been done so far (and
probably never will, I always underestimate how hard things are).

Regards,
Khaled