[luatex] Fribidi for LuaTeX

[Khaled Hosny]

On Sun, Jul 17, 2011 at 12:30:13PM -0400, James Cloos wrote:
> >>>>> "TH" == Taco Hoekwater <taco at elvenkind.com> writes:
> 
> TH>   P1. Split the text into separate paragraphs. A paragraph separator is
> TH>   kept with the previous paragraph. Within each paragraph, apply all
> TH>   the other rules of this algorithm.
> 
> TH> Now, how does that apply to an \hbox ?  I simply do not know.
> 
> The basic idea, remembering that unicode's bidi algorithm is designed to
> apply to plain text, is to treat things like \hbox, math boxes and the
> like as a single character w/in their enclosing paragraphs, and as a
> paragraph inside of the box.
> 
> Boxes of that sort probably should be treated as weak-l2r by default.

I simply treat all non characters nodes as neutrals, so they inherit the
direction of their surroundings.

Regards,
 Khaled

-- 
 Khaled Hosny
 Egyptian
 Arab