RFR: 8303018: Unicode Emoji Properties [v2]

[Eirik Bjorsnos]

On Tue, 14 Mar 2023 15:49:56 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 one additional commit since the last revision:
> 
>   Fixed method descriptions

make/jdk/src/classes/build/tools/generatecharacter/GenerateCharacter.java line 215:

> 213:         maskEmojiComponent  = 0x040000000000L,
> 214:         maskExtendedPictographic = 0x080000000000L;
> 215: 

Would be nice the have the '=' aligned in the same column as the ones above, or at least have the emoji ones align with each other.

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