RFR: JDK-8295391: Add discussion of binary <-> decimal conversion issues [v5]

[Joe Darcy]

> Add discussion of some of the common pitfalls related to decimal <-> binary conversion.

Joe Darcy has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:

 - Merge branch 'master' into JDK-8295391
 - Fix typo.
 - Switch to parseFloat from valueOf, add links.
 - Address issues found by reviewers.
 - Appease jcheck.
 - JDK-8295391: Add discussion of binary <-> decimal conversion issues

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16566/files
  - new: https://git.openjdk.org/jdk/pull/16566/files/d8d6c00b..7dd11da2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16566&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16566&range=03-04

  Stats: 18043 lines in 283 files changed: 5486 ins; 8626 del; 3931 mod
  Patch: https://git.openjdk.org/jdk/pull/16566.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16566/head:pull/16566

PR: https://git.openjdk.org/jdk/pull/16566