Request: Add retired tag "eml" to the IANA registry

Gerard Meijssen gerard.meijssen at
Fri Dec 11 16:09:01 CET 2009

For the record; it is no longer allowed to make up language tags for
Wikipedia.. There are some that are in existence from before the time when
the language policy became in effect.

2009/12/11 Doug Ewell <doug at>

> "Michael(tm) Smith" <mike at w3 dot org> wrote:
> > So lacking any likelihood of those retired tags actually getting into
> > the IANA subtag registry, I'd suggest it'd at least be nice to have --
> > in whatever IETF or IANA document where it would be most
> > appropriate -- some statement of guidance to developers saying, "Tools
> > that check and report on instances of usage of language subtags SHOULD
> > use both the data in the IANA subtag registry and the available data
> > about IS0-639-3 retired codes."
> They should not.  Code elements from ISO 639-3 that were retired prior
> to the approval of RFC 5646 were never valid in BCP 47 language tags.
> They may have been valid in non-BCP 47 applications that don't use the
> Registry, but instead use ISO 639 code elements directly (or make up
> their own, like the Wikipedias), but that is not at issue here.
> --
> Doug Ewell  |  Thornton, Colorado, USA  |
> RFC 5645, 4645, UTN #14  |  ietf-languages @ ­
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