[jdk17u-dev] RFR: 8301119: Support for GB18030-2022

[Andrew John Hughes]

On Tue, 23 May 2023 17:24:49 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> This is the companion implementation change for the recent specification changes which allowed for the additional characters required to support GB18030-2022.
> 
> The backport from trunk is clean as regards code. The only manual adjustments necessary were applying the copyright header changes, as trunk has JDK-8260265: "UTF-8 by Default", a JEP added in OpenJDK 18.
> 
> Tests in `jdk/java/nio/charset` and `jdk/sun/nio/cs` all passed after patching.

Thanks. Flagged with `jdk17u-fix-request`.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1391#issuecomment-1563184386