From: John Cowan (cowan@ccil.org)
Date: Sat May 15 2004 - 09:00:48 CDT
Jony Rosenne scripsit:
> However, in Hebrew and Arabic, numbers are written left to right and so are
> Latin and other LTR script quotations. So RTL really means mixed direction,
> and the bidi algorithm is there to handle it automatically with little user
> intervention.
BTW, Peter Daniels told me viva voce that arabophones, like persophones and
hebraeophones, do (hand)write numbers LTR starting with the most significant
digit. But we still have no confirmation from a native arabophone.
And if someone could explain the full significance of the Arabic-Indic
vs. the Eastern Arabic-Indic digits (other than glyph shape), I'd
appreciate it. I know that the EAI digits work just like the European ones,
whereas the AI digits work differently, but what is the effective difference?
> All of this is completely irrelevant to boustraphedon and vertical scripts.
> These are presentation issues that have not need for Unicode support.
Vertical Ogham does, but forced override is sufficient -- it doesn't need
an *implicit* bidi algorithm.
-- John Cowan jcowan@reutershealth.com http://www.reutershealth.com http://www.ccil.org/~cowan Humpty Dump Dublin squeaks through his norse Humpty Dump Dublin hath a horrible vorse But for all his kinks English / And his irismanx brogues Humpty Dump Dublin's grandada of all rogues. --Cousin James
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