[8u20] Request approval to backport 8042360: Subtag syntax check is incomplete in Locale.LanguageRange

[Yuka Kamiya]

Hi,

Please approve this backport from JDK9 to 8u20.

Bug description: https://bugs.openjdk.java.net/browse/JDK-8042360
Webrev: http://cr.openjdk.java.net/~peytoia/8042360/webrev.00/
JDK9 review thread: http://mail.openjdk.java.net/pipermail/i18n-dev/2014-May/thread.html#1378
JDK9 changeset: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/2d7287eae0ad

Thanks,
--
Yuka