RFR: Clarify use of (rel)-pool values [v3]

[Roger Calnan]

> (rel)-pool values should not be used for affects versions, but can, along with tbd, be used in the fix version

Roger Calnan has updated the pull request incrementally with one additional commit since the last revision:

  clarify that update versions should be used if known

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

Changes:
  - all: https://git.openjdk.org/guide/pull/134/files
  - new: https://git.openjdk.org/guide/pull/134/files/a711004e..5a2c6ca8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=134&range=02
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=134&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/guide/pull/134.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/134/head:pull/134

PR: https://git.openjdk.org/guide/pull/134