<Swing Dev> RFR: 8263472: Specification of JComponent::updateUI doesn't mention that the original implementaiton does nothing [v6]

[Prasanta Sadhukhan]

> It's unclear from the spec that the original implementation of the method JComponent.updateUI() does nothing which needs to be explicitly stated in the javadoc.

Prasanta Sadhukhan has updated the pull request incrementally with two additional commits since the last revision:

 - javadoc change
 - implNote change

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2955/files
  - new: https://git.openjdk.java.net/jdk/pull/2955/files/50b997de..5b15e87f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2955&range=05
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2955&range=04-05

  Stats: 3 lines in 1 file changed: 2 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2955.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2955/head:pull/2955

PR: https://git.openjdk.java.net/jdk/pull/2955