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CLDR Ticket #9921(new spec)

Opened 4 months ago

Last modified 4 months ago

Private use calendars

Reported by: richard@… Owned by: anybody
Component: datetime Data Locale:
Phase: dsub Review:
Weeks: Data Xpath:
Xref:

Description

CLDR is the definitive list of what is allowed in the BCP 47 'u' extension, and it includes a good range of current calendars but few historical calendars. Something like the Old Icelandic Calendar is unlikely ever to find its way into CLDR, but it would be convenient if it could be used (by private agreement) in a 'u' extension. RFC 6067 defines no extension facility or private use area, but there's no reason one can't be added in the CLDR data. If a new calendar is added with a name like xxx or priv, with no defined semantics, it could be used as a private use area. Then a party wanting to use the Old Icelandic Calendar (for example) could use is-u-ca-xxx-iceland by private agreement, and still be compliant with RFC 6067. Obviously we can do is-x-ca-iceland in today's standard, but it's unsatisfactory to use completely mechanisms for different calendars.

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comment:1 Changed 4 months ago by mark

Not sure this is a good idea. On the other hand, if there is a authoritative spec for how the old icelandic calendar worked, we could just add an id for it.

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