The hyphen is not redundant in ISO 3166 that defines primary codes with
variable length (even if ISO 3166 part 1 for now only use two-letter codes).
Sometime in a future, two letters will not be enough even in ISO 3166-1, if
countries continue to split/merge (this does not happen frequently but is
occurs every few years; and it will not be possible to reuse old codes that
are maintained for a long period). May be then we'll have ISO 3166-1 codes
using digits (such as "A1" or "1A"), but this will cause some problems to
map them to IETF ccTLD codes (within the DNS root registry).
As well the UN M.49 numeric codes will get full if it continues with its
current allocation scheme (using ranges of numbers by continental regions).
Or the other solution will be to extend the set of allowed letters.
2015-05-18 20:28 GMT+02:00 Markus Scherer <markus.icu_at_gmail.com>:
> On Mon, May 18, 2015 at 11:19 AM, Doug Ewell <doug_at_ewellic.org> wrote:
>
>> Is the new mechanism intended to allow flag tags that include either
>> "subtype" values or "contains" values?
>
>
> As far as I can tell from your quotes, CLDR will say what's valid (plus
> containment info), and Unicode permits you to show a flag for any valid tag.
> North Lanarkshire seems perfectly fine.
>
> I am curious to see if the redundant hyphen will be part of the syntax.
>
> markus
>
Received on Mon May 18 2015 - 13:48:33 CDT
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