RFR: 8263890: Broken links to Unicode.org [v2]

[Naoto Sato]

> Fixed several broken links to Unicode.org.

Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:

  Addressed review comments.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3093/files
  - new: https://git.openjdk.java.net/jdk/pull/3093/files/2b32b86a..37093a4d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3093&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3093&range=00-01

  Stats: 24 lines in 6 files changed: 4 ins; 0 del; 20 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3093.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3093/head:pull/3093

PR: https://git.openjdk.java.net/jdk/pull/3093