RFR: Removing a JBS Issue [v6]

[Jesper Wilhelmsson]

> Short note on removing JBS issues.
> And adding back a lost parenthesis.
> Added text about understanding the code before creating a PR.

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

  Update src/guide/jbs-jdk-bug-system.md
  
  Co-authored-by: Alexey Ivanov <alexey.ivanov at oracle.com>

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

Changes:
  - all: https://git.openjdk.org/guide/pull/112/files
  - new: https://git.openjdk.org/guide/pull/112/files/3bcf9a41..c49b806f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=112&range=05
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=112&range=04-05

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/guide/pull/112.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/112/head:pull/112

PR: https://git.openjdk.org/guide/pull/112