[tz] Vanguard vs. "main" vs. rearguard
eggert at cs.ucla.edu
Wed Jun 9 20:13:12 UTC 2021
On 6/9/21 9:43 AM, Neil Fuller wrote:
> Because Android typically doesn't get to
> update code for TZDB updates, only data, it will stick with the "fat"
> format for existing devices.
I can understand Android doing that, given old apps that read TZif files
directly and that predate RFC 8536 or have bugs related to RFC 8536. I
expect it'll take many years for RFC 8536 to proliferate.
> e.g. if two projects want country-specific zone IDs, and they don't come
> from TZDB, then there's a risk of one of them "inventing" (should the need
> arise) Europe/Glasgow as "the zone for Scotland", and another inventing
> Europe/Edinburgh to fill the same role.
Yes, that's very much a concern. And it's not just Scotland: it could
happen with the Oduduwa Republic or any number of other plausible future
countries created by political disputes. This is a primary motivation
for the guidelines not requiring a separate Zone per country.
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