[jdk8u-ri] RFR: 8301400: Allow additional characters for GB18030-2022 support

[Naoto Sato]

On Wed, 22 Feb 2023 19:32:26 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> Most of these changes are drawn from JDK-8211398 (the currency and Japanese era addition, and the new test) which made it to 8u211/212, but not a new reference implementation. I expect the changes for 8u382 will be simpler as they can just build on top of 8211398, as the separate commits here suggest.

Thanks, Andrew. Yes, it will be much simpler for the existing 8u line.

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PR: https://git.openjdk.org/jdk8u-ri/pull/10