<i18n dev> RFR: 8302512: Update IANA Language Subtag Registry to Version 2023-02-14

[Naoto Sato]

On Tue, 21 Feb 2023 19:26:46 GMT, Justin Lu <jlu at openjdk.org> wrote:

> Incorporate the latest IANA language subtag registry definition (2023-02-14).

Looks good. Please update the copyright year for the test changes.

test/jdk/java/util/Locale/LanguageSubtagRegistryTest.java line 29:

> 27:  *      8258795 8267038 8287180 8302512
> 28:  * @summary Checks the IANA language subtag registry data update
> 29:  *          (LSR Revision: 2023-2-14) with Locale and Locale.LanguageRange

Add prepending `0` to the month to keep the YYYY-MM-DD format.

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PR: https://git.openjdk.org/jdk/pull/12699