Multiple variant subtags

Addison Phillips [wM] aphillips at
Thu Jul 15 01:23:43 CEST 2004

Recommended prefix(es). Recall that Prof. Steenwijk had a somewhat complex series of subtags in mind at one time. See his emails of roughly 2003-10-15, which with some of the Chinese variations formed the basis for my thinking in this area. 



Addison P. Phillips
Director, Globalization Architecture
webMethods | Delivering Global Business Visibility
Chair, W3C Internationalization (I18N) Working Group
Chair, W3C-I18N-WG, Web Services Task Force

Internationalization is an architecture. 
It is not a feature.

> -----Original Message-----
> From: Doug Ewell [mailto:dewell at]
> Sent: 2004年7月14日 16:14
> To: ietf-languages at
> Cc: aphillips at
> Subject: Re: Multiple variant subtags
> Addison Phillips [wM] <aphillips at webmethods dot com> wrote:
> >> If I'm reading the ABNF correctly, a language tag can contain more
> >> than one variant subtag.  Why is this?
> >
> > It allows one to register the subtag of a subtag. There aren't any
> > tags in this form currently, I think, although one was proposed last
> > year (a subtag of sl-rozaj).
> I'm presuming that the only mechanism that stops someone from writing,
> say, sl-rozaj-nedis is "tag content wisely."
> How would this "subtag of a subtag" relationship be indicated in the
> registry, if at all?
> -Doug Ewell
>  Fullerton, California

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