Flag tags with U+1F3F3 and subtypes
doug at ewellic.org
Mon May 18 16:38:19 CDT 2015
Philippe Verdy <verdy underscore p at wanadoo dot fr> wrote:
>> ISO 3166-1 already defines alpha-3 and numeric code elements, as well
>> as alpha-2.
> But how to work with the 2 letters limitation when the world wants
> more stability in codes (this was an important reason why ISO 639 was
> not fully integrated in IETF tags, and why the IETF tags have chosen
> the stability by keeping also the codes that hbave been deleted in ISO
> 639, but only deprecated in IETF language tags (BCP47).
I assume you're aware of the extent of my involvement in BCP 47, so this
is a semi-rhetorical question.
If and when ISO 3166/MA manages to use up all of the remaining 336
unassigned code elements -- nearly half of the TOTAL possible code space
of 676 two-letter combinations -- the corresponding numeric code
elements will be assigned as BCP 47 region subtags instead.
> We've already seen the famous reuse before 50 years (do you remember
> when CS was reassigned just a few months after it was discarded after
> an initial introduction for some months in Serbia-Montenegro?)
What actually happened was, 'CS' was withdrawn for Czechoslovakia and
then assigned to Serbia and Montenegro. At that time, the waiting period
was five years; the 'CS' incident is what resulted in the change to 50
> But now let's remembers that parts of ISO 3166 are also included (not
> fully) in BCP47 tags that require the stability. IT will prohibit
> reassignments by ISO (or if this happens, this will break BCP47 and et
> IETF will reject the change and will use another subtag if needed.
Again, I'm guessing you already know that I know how BCP 47 works.
ISO 3166/MA can recycle alpha-2 code elements 50 years after withdrawal
if they feel like it. BCP 47 can't prevent that. That's why BCP 47 has a
mechanism to work around that possibility.
> So country codes cannot be reassigned (and we can expect many more
> merges/splits or changes of regimes in the many troubled areas of the
Changes of regimes don't usually result in new 3166 code elements. The
same is true for merges (look at DE/DD or YE/YD). New and changed
country names usually do.
Doug Ewell | http://ewellic.org | Thornton, CO
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