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Re: Shaping characters in upright orientation in vertical text flow

From: Adil Allawi <adil@diwan.com>
Date: Wed, 18 Jan 2012 10:04:11 +0000
Message-Id: <31BC0DAC-6001-4079-B313-5E0626503469@diwan.com>
Cc: "public-i18n-bidi@w3.org" <public-i18n-bidi@w3.org>, WWW International <www-international@w3.org>
To: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>
I am not a complete outsider :) and I would say not. Lam and Alif are definitely viewed as separate characters

On 18 Jan 2012, at 08:35, "Martin J. Dürst" <duerst@it.aoyama.ac.jp> wrote:

> 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 10:04:53 GMT

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