RFR: 8264765: BreakIterator sees bogus sentence boundary in parenthesized “i.e.” phrase

[Naoto Sato]

Please review the fix to the subject issue. It is not actually related to "parenthesized", but period-comma sequence was regarded as a break on a backward traverse.

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Commit messages:
 - 8264765: BreakIterator sees bogus sentence boundary in parenthesized “i.e.” phrase

Changes: https://git.openjdk.java.net/jdk/pull/3400/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3400&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264765
  Stats: 19 lines in 2 files changed: 14 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3400.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3400/head:pull/3400

PR: https://git.openjdk.java.net/jdk/pull/3400