Multiple variant subtags

Doug Ewell dewell at
Thu Jul 15 01:14:22 CEST 2004

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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