Make use and refer to terminology used in java.lang.Double for analagous differing concepts of equality.
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - JDK-8393864: Improve equality-related discussion in BigDecimal Changes: https://git.openjdk.org/jdk/pull/33263/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=33263&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8393864 Stats: 13 lines in 1 file changed: 8 ins; 3 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/33263.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/33263/head:pull/33263 PR: https://git.openjdk.org/jdk/pull/33263
