RFR: JDK-8277522: Make formatting of null consistent in Elements [v2]

[Joe Darcy]

> Simple formatting cleanup.

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Reflow paragraphs.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/6494/files
  - new: https://git.openjdk.java.net/jdk/pull/6494/files/b94c5095..929c63df

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=6494&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=6494&range=00-01

  Stats: 9 lines in 1 file changed: 1 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6494.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6494/head:pull/6494

PR: https://git.openjdk.java.net/jdk/pull/6494