Re: Shaping characters in upright orientation in vertical text flow

But would not a LamAlef ligature be considered a single "user-perceived 
character"?

Shalom (Regards),  Mati
       Bidi Architect
       Globalization Center Of Competency - Bidirectional Scripts
       IBM Israel
       Mobile: +972 52 2554160




From:   John Cowan <cowan@mercury.ccil.org>
To:     "'WWW International'" <www-international@w3.org>, 
"public-i18n-bidi@w3.org" <public-i18n-bidi@w3.org>
Date:   18/01/2012 07:59
Subject:        Re: Shaping characters in upright orientation in vertical 
text flow
Sent by:        John Cowan <cowan@ccil.org>



fantasai scripsit:

> "grapheme cluster" is a technical term meant to encompass, 
roughly-speaking,
> a "user-perceived character" (to quote UAX29). While Arabic letters may
> cursively join, a joined sequence is most definitely not considered a 
single
> "user-perceived character".

Fair enough.

-- 
A mosquito cried out in his pain,               John Cowan
"A chemist has poisoned my brain!"              http://www.ccil.org/~cowan
        The cause of his sorrow                 cowan@ccil.org
        Was para-dichloro-
Diphenyltrichloroethane.                                (aka DDT)