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

Michael Everson <everson@evertype.com> Fri, 14 August 2020 09:39 UTC

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From: Michael Everson <everson@evertype.com>
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Date: Fri, 14 Aug 2020 10:39:21 +0100
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Subject: Re: [Ietf-languages] Suggestion to update Urdu Script Designation in the subtag registry
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On 12 Aug 2020, at 20:56, Peter Constable <pgcon6@msn.com> wrote:
> 
> In general, I’m not sure why script-variant IDs like Aran or Latg exist in ISO 15924 at all, and I’m not aware of any application contexts in which they are actually used. For any languages written using Arabic script, including languages in Pakistan, Afghanistan and Iran, I think it’s generally likely that applications would use tags with a script subtag Arab or else without any script subtag. And changing the Suppress-Script field for ur would likely break some applications that would expect tags of the form “ur-Arab” were it not for the current Suppress-Script value.

They exist for bibliographical purposes for identification of books which might be in Latg (Gaelic script), Latf (blackletter), etc., where such identification would be useful to the end user. 

Michael Everson

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