Idris Samawi Hamid wrote:

> This issue needs to be looked at in the larger context of bidi in luatex.  
> For example, we need a flexible model to implement Bidirectional Character  
> Types. For example, we need an option that will recognize certain  
> character-types as RL and switch directions accordingly -- that is,  
> automatically switch \textdir, within a given paragraph, in accordance  
> with the directionality of the word-string. This needs a well thought-out  
> model so that we can map the Unicode specification to our \texdir \pardir  
> functionality...

it's not hard to do but indeed we need a clean definition; it may even 
be that we need to change some of this \*dir stuff; (it's no problem for 
me to inject dir nodes in the node list); especially messy seems the 
number stuff

btw is there a reason why in bidi arabic r->l is tagged 'al' and not 'r'?

Hans

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