Language Variant subtags

Philip Newton philip.newton at
Mon Jul 5 22:48:26 CEST 2010

On Mon, Jul 5, 2010 at 10:19 PM, Peter Scharf <peter_scharf at> wrote:
> Dear Philip,
> Is there a list one can consult of existing subtags?

Yes - the language subtag registry is at . It contains
not just language subtags but also variant subtags, script subtags,
extlang subtags, and region subtags. (And also the
grandfathered/redundant subtags.)

> Is it legitimate to use a subtag with more than one prefix?

I'm assuming you mean variant subtags here: yes, it is; for example,
the variant subtag "fonipa" can be used to indicate an IPA
(International Phonetic Alphabet) transcription of any language.

> It seems that the prefix already narrows the scope so that building the limitation into the subtag would be unnecessary, if it is possible to allow more than one prefix with a subtag.

Yes, assuming that "classical" means the same thing for any language
the variant subtag could be applied to.

Philip Newton <philip.newton at>

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