[tz] Zone ID in binary (was Re: Version in zoneinfo files?)
Steven R. Loomis
srl at icu-project.org
Fri Feb 10 17:09:10 UTC 2017
FWIW CLDR uses LOCODE for tzids in locale ids, such as en-u-tz-uslax
This is a registry and not an algorithm, so CLDR is responsible for its
stability, as the ietf bcp47 -u- extension owner.
On 2/10/17 8:31 AM, J Andrew Lipscomb wrote:
> Hmm... are the coordinates shown in the zone.tab file stable enough to use as IDs? If so, then a geohash of the relevant point would be a reasonable choice that would fit in the 15 future bytes. Suitable schemes that come to mind are Geohash-36, a base-64 variant of the base-32 geohash.org scheme, or (if we wish to be a bit less obfuscatory) Maidenhead locators. And some other provisions for non-geographic zones.
> More detailed analysis to follow when I'm at my full-powered computer.
> Envoyé de mon iPhone
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