RFR: 8367237: Thread-Safety Usage Warning for java.text.Collator Classes [v2]

[Iris Clark]

On Thu, 11 Sep 2025 21:34:24 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> Please review this PR which is a documentation change to make apparent the recommended approach for using Collator & RuleBasedCollator in a multi threaded environment via an implNote. The original issue and CSR have additional context.
>
> Justin Lu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Doc updates reflecting Naoto's comments

This looks good.

My only recommendation would be to change "JDK reference implementation" to "JDK Reference Implementation" (capitalize) following the prevalent convention in java.base.

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Marked as reviewed by iris (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27233#pullrequestreview-3213810594