<i18n dev> Review Request for JDK-8047780: Locale.LanguageRange() throws an undocumented IAE when range is ill-formed.

[Nishit Jain]

Hi,

Please review the fix for JDK-8047780

Bug: https://bugs.openjdk.java.net/browse/JDK-8047780
Webrev: http://cr.openjdk.java.net/~nishjain/8047780/webrev.01/

Fix: Added in the api spec that the IllegalArgumentException can be 
thrown if the given "range" is ill-formed

Regards,
Nishit Jain