Re: Luatex (actually Aleph) and Bidi_Mirrored chars in RTL mode

["Idris Samawi Hamid" <ishamid@colostate.edu>]

Hi,

On Mon, 09 Jun 2008 19:36:00 -0600, Arthur Reutenauer  
<arthur.reutenauer@normalesup.org> wrote:

>> Also, we need not be too slavish: The Yudit author has pointed out areas
>> where the bidi algorithm makes no sense or is deficient:
>>
>> http://www.yudit.org/bidi/surprise.html
>
>   To be honest, this page dates back to half a dozen years ago and
> reflects Gáspár Sinai's positions at that time; there are hints that he
> has changed his mind at least slightly, as he started to make quite a
> scandal about possible "security problems" in the bidi algorithm and
> later backed off (http://yudit.org/security/).  This is of course not to
> say that the bidi algorithm is perfect, because it's not, but I don't
> think that the link you quote makes a really strong point against it.
> In particular, I find that some of the recommandations Sinai criticizes
> are amazingly close to what we do in the TeX world ("formatting codes
> should be inserted" => mark up the text with direction-switching
> commands, etc.)

Granted. The main point is that we have to reinterpret bidi in way that  
fits with TeX's/ConTeXt's needs, idiosyncracies, etc.... I don't believe  
we need to treat the unicode bidi algorithm as canonical.

But I'm still studying the matter.

Best
Idris

-- 
Professor Idris Samawi Hamid, Editor-in-Chief
International Journal of Shi`i Studies
Department of Philosophy
Colorado State University
Fort Collins, CO 80523
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