Tagging transliterations from a specific script

Michael Everson everson at evertype.com
Thu Mar 17 11:52:28 CET 2011

On 17 Mar 2011, at 05:15, Peter Constable wrote:

>> tt-Arab-alalc92 is Tatar language written in Arabic script and then transliterated 
>> into Latin using that specification
> Nope! The "Arab" subtag is declaring specifically that 'this content is comprised of Arabic-script text', not that it has some indirect relationship to _other_ content that is in Arabic script.

Yup! Because the alalc97 [sic] subtag is specifically defined as a Romanization, so this would imply (to a human at least) that an Arab-to-Latin transformation had been applied. (My point being that this subtag has just as strong a definition as the ISO 15924 one.) 

Michael Everson * http://www.evertype.com/

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