RFR: 8367382: Expand use of representation equivalence terminology [v3]

[Joe Darcy]

> Small doc enhancement to use the term "representation equivalence" in a few more locations.

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Respond to review feedback.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27232/files
  - new: https://git.openjdk.org/jdk/pull/27232/files/5c7c92b6..1a327d96

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27232&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27232&range=01-02

  Stats: 6 lines in 2 files changed: 1 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/27232.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27232/head:pull/27232

PR: https://git.openjdk.org/jdk/pull/27232