<i18n dev> RFR: 8273546: DecimalFormat documentation contains literal HTML character references

[Naoto Sato]

Simple doc fix.

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Commit messages:
 - 8273546: DecimalFormat documentation contains literal HTML character references

Changes: https://git.openjdk.java.net/jdk/pull/5620/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5620&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273546
  Stats: 14 lines in 3 files changed: 0 ins; 0 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5620.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5620/head:pull/5620

PR: https://git.openjdk.java.net/jdk/pull/5620