<i18n dev> RFR: 8303018: Unicode Emoji Properties [v3]

[Roger Riggs]

On Wed, 15 Mar 2023 18:21:11 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Proposing accessor methods to Emoji properties defined in [Unicode Technical Standard #51](https://unicode.org/reports/tr51/) in `java.lang.Character` class. This is per a request from the client group, as well as refining the currently existing ad-hoc emoji implementation in regex. A CSR has also been drafted, and I would appreciate reviews for it too.
>
> Naoto Sato has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - InternalError message/mask constants cleanup
>  - Indentation/print comment fix

Marked as reviewed by rriggs (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/13006