[luatex] Fribidi for LuaTeX

Vafa Khalighi vafa018 at gmail.com
Wed Jul 20 13:34:11 CEST 2011

On Wed, Jul 20, 2011 at 5:41 AM, Hans Hagen <pragma at wxs.nl> wrote:

> On 19-7-2011 7:51, Vafa Khalighi wrote:
>> Hi Idris
>> Agreed. and if you look ath my previous questions, I actually asked if it
>> is
>> to be implemented in the luatex engine or in the macro level but I got no
When I said "agreed", I only agreed with Idris that LuaTeX does not provide
solutions and unicode bidirectional algorithm should be done in macro (lua)
level and not in the engine but respectfully, I do not agree with his
comments about Unicode Bidirectional Algorithms.

> There is no need to implement it in the luatex engine as one can hook in
> code at all kind of moments (reading files, processing tokens, handling
> nodes) and no hard codes solution will satisfy each user and can only lead
> to weird hooks into and control over such a mechanism. The only thing luatex
> can do is to provide access to internals (which it does) and either library
> or lua code can do it's work. So, one can provide unicode bidi support to
> the extend needed.
> So the answer is: at the macro level (which includes the lua level).
Thanks. What I am doing will be generic, so ConTeXt users can use it too if
they like but to the best of my knowledge, most Persians use LaTeX.
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