RFR: Filing bug, ProblemListing, Backing out [v4]

[Jesper Wilhelmsson]

> Filing bug, ProblemListing, Backing out

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

  Added 'trivial' to the glossary and fixed Phil's comments

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Changes:
  - all: https://git.openjdk.java.net/guide/pull/21/files
  - new: https://git.openjdk.java.net/guide/pull/21/files/6bd69e06..fd1a760e

Webrevs:
 - full: https://webrevs.openjdk.java.net/guide/21/webrev.03
 - incr: https://webrevs.openjdk.java.net/guide/21/webrev.02-03

  Stats: 10 lines in 2 files changed: 3 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/guide/pull/21.diff
  Fetch: git fetch https://git.openjdk.java.net/guide pull/21/head:pull/21

PR: https://git.openjdk.java.net/guide/pull/21