RFR: JDK11U JDK-8206120, JDK-8211398, JDK-8218915

[Deepak Kejriwal]

Hi All,

Please review the backport of the following bug fixes to jdk8u-dev:

HYPERLINK "https://bugs.openjdk.java.net/browse/JDK-8206120"JDK-8206120 : Add test cases for lenient Japanese era parsing
HYPERLINK "https://bugs.openjdk.java.net/browse/JDK-8211398"JDK-8211398 : Square character support for the Japanese new era
HYPERLINK "https://bugs.openjdk.java.net/browse/JDK-8218915"JDK-8218915 : Change isJavaIdentifierStart and isJavaIdentifierPart to handle new code points

Webrev:  http://cr.openjdk.java.net/~rpatil/JapaneseEra_changes_11u/webrev.00/

These code changes are made possible thanks to specification change already pushed:
http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/c1e1669edace

Regards,
Deepak