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Re: Shaping characters in upright orientation in vertical text flow

From: Martin J. Dürst <duerst@it.aoyama.ac.jp>
Date: Wed, 18 Jan 2012 17:35:57 +0900
Message-ID: <4F16846D.5020007@it.aoyama.ac.jp>
To: Matitiahu Allouche <matial@il.ibm.com>
CC: John Cowan <cowan@mercury.ccil.org>, John Cowan <cowan@ccil.org>, "public-i18n-bidi@w3.org" <public-i18n-bidi@w3.org>, "'WWW International'" <www-international@w3.org>
On 2012/01/18 16:34, Matitiahu Allouche wrote:
> But would not a LamAlef ligature be considered a single "user-perceived
> character"?

I'm a complete outsider, but I'd would definitely assume so. Also, any 
vowel marks or other additional marks would go together with the base 
letter.

Regards,   Martin.

> 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.
>
Received on Wednesday, 18 January 2012 08:36:36 GMT

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