<i18n dev> RFR: 8285844: TimeZone.getTimeZone(ZoneOffset) does not work for all ZoneOffsets and returns GMT unexpected [v5]

[Joe Wang]

On Wed, 11 May 2022 20:04:39 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> This is to extend the `Custom ID`s in `java.util.TimeZone` class to support second-level resolution, enabling round trips with `java.time.ZoneOffset`s. Corresponding CSR is also being drafted.
>
> Naoto Sato has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:
> 
>  - Disallow `UTC` -> `GMT`
>  - Merge branch 'master' into JDK-8285844
>  - Minor fixup
>  - Allowed round-trips for offset-style ZoneIds.
>  - Fixed offsets in milliseconds, added test variations, refined Custom ID definitions
>  - 8285844: TimeZone.getTimeZone(ZoneOffset) does not work for all ZoneOffsets and returns GMT unexpected

Marked as reviewed by joehw (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8606