babel Use canonical IANA zone names in zone

Refs #1218, should fix it.

There's an iana="..." attribute in (at least recent) timezone XML files, but we historically never read that and instead just trusted the first alias to be the canonical tzid.

Jul 08 '25 10:07 akx

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.97%. Comparing base (69c5db8) to head (e7f6feb).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1220   +/-   ##
=======================================
  Coverage   91.97%   91.97%           
=======================================
  Files          27       27           
  Lines        4688     4688           
=======================================
  Hits         4312     4312           
  Misses        376      376

Flag	Coverage Δ
macos-14-3.10	`91.01% <ø> (ø)`
macos-14-3.11	`90.95% <ø> (ø)`
macos-14-3.12	`91.16% <ø> (ø)`
macos-14-3.13	`91.16% <ø> (ø)`
macos-14-3.8	`90.88% <ø> (ø)`
macos-14-3.9	`90.94% <ø> (ø)`
macos-14-pypy3.10	`91.01% <ø> (ø)`
ubuntu-24.04-3.10	`91.04% <ø> (ø)`
ubuntu-24.04-3.11	`90.97% <ø> (ø)`
ubuntu-24.04-3.12	`91.19% <ø> (ø)`
ubuntu-24.04-3.13	`91.19% <ø> (ø)`
ubuntu-24.04-3.8	`90.90% <ø> (ø)`
ubuntu-24.04-3.9	`90.97% <ø> (ø)`
ubuntu-24.04-pypy3.10	`91.04% <ø> (ø)`
windows-2022-3.10	`91.03% <ø> (ø)`
windows-2022-3.11	`90.96% <ø> (ø)`
windows-2022-3.12	`91.18% <ø> (ø)`
windows-2022-3.13	`91.18% <ø> (ø)`
windows-2022-3.8	`91.00% <ø> (ø)`
windows-2022-3.9	`90.96% <ø> (ø)`
windows-2022-pypy3.10	`91.03% <ø> (ø)`

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Jul 08 '25 10:07 codecov[bot]

@anentropic Please review if you have time :)

Jul 08 '25 10:07 akx

the results in test_core look good to me 👍

Jul 13 '25 16:07 anentropic

Use canonical IANA zone names in zone_territories

Codecov Report