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Re: [Ietf-languages] Suggestion to update Urdu Script Designation in the subtag registry

Richard Wordingham <richard.wordingham@ntlworld.com> Thu, 13 August 2020 00:43 UTC

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Date: Thu, 13 Aug 2020 01:42:57 +0100
From: Richard Wordingham <richard.wordingham@ntlworld.com>
To: ietf-languages@ietf.org
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Subject: Re: [Ietf-languages] Suggestion to update Urdu Script Designation in the subtag registry
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On Wed, 12 Aug 2020 21:37:08 +0000
Peter Constable <pgcon6@msn.com> wrote:

> > We can certainly check with ISO 15924/RA-JAC to see if there is any
> > unstated expectation that ‘Arab’ implies the Naskh variant.  
> 
> I am certain that ‘Arab’ does not imply _any_ style variant of Arabic
> script. One has to look no further than Unicode character properties
> to see that.

What do Unicode character properties have to do with it?  They may
choose their value symbols from ISO 15924, but Unicode properties are
concerned with characters and their interactions, at which level there
is no difference between Arab and Aran. Unicode uses the symbol Arab.

Richard.

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