<Swing Dev> hg: jdk7/swing/jdk: 7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale

[naoto.sato at oracle.com]

Changeset: 842a0f8c89ea
Author:    naoto
Date:      2011-02-08 09:04 -0800
URL:       http://hg.openjdk.java.net/jdk7/swing/jdk/rev/842a0f8c89ea

7015500: Locale.toLanguageTag() uses "und" as lang subtag for private use only Locale
Reviewed-by: srl

! src/share/classes/java/util/Locale.java
! src/share/classes/sun/util/locale/LanguageTag.java
! test/java/util/Locale/LocaleEnhanceTest.java