Simple change to add a few more index tags on terms related to equality and equivalence.
------------- Commit messages: - JDK-8340983: Use index and definition tags in Object and Double Changes: https://git.openjdk.org/jdk/pull/21195/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21195&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8340983 Stats: 4 lines in 2 files changed: 0 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/21195.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21195/head:pull/21195 PR: https://git.openjdk.org/jdk/pull/21195
