RFR: Note on Affected version [v2]

[Jesper Wilhelmsson]

> Added a note on when to use the affected version field and did some other minor cleanups.

Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:

  Bug must have affects version

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

Changes:
  - all: https://git.openjdk.org/guide/pull/140/files
  - new: https://git.openjdk.org/guide/pull/140/files/a5abdd0f..94cb7c45

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=140&range=01
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=140&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/guide/pull/140.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/140/head:pull/140

PR: https://git.openjdk.org/guide/pull/140