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

[Randy Presuhn]

Hi -

> From: "John Cowan" <cowan at ccil.org>
> To: "Randy Presuhn" <randy_presuhn at mindspring.com>
> Cc: <ietf-languages at iana.org>
> Sent: Friday, December 11, 2009 3:25 PM
> Subject: Re: Request: Add retired tag "eml" to the IANA registry
...
> > We should also keep in mind the RFC 5646 section 3.4 (13) principle of
> > not adding a new subtag with semantics identical  to something already
> > in the registry.
> 
> Only a few of the 639-3 retired codes have this problem.  Almost all
> of them represent either splits (multiple languages were incorrectly
> treated as dialects of the same language) or mergers (dialects of
> a single language were incorrectly treated as multiple languages).

This last case is, absent appropriate variant subtags, effectively a
case of "identical semantics", inasmuch as whatever the difference
was, it was felt to be insignificant for purposes of 639-3.

Randy