[jdk8u-dev] RFR: 8305681: Allow additional characters for GB18030-2022 (Level 2) support [v2]

[Naoto Sato]

> This is a backport of GB18030 Level 2 part of the JSR337 MR5 (https://jcp.org/aboutJava/communityprocess/mrel/jsr337/index5.html) Reference Implementation

Naoto Sato has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

-------------

Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/315/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/315/files/79ea0a42..79ea0a42

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=315&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=315&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/315.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/315/head:pull/315

PR: https://git.openjdk.org/jdk8u-dev/pull/315