master
8239383: Support for Unicode 13.0
8195981: Move some tests to OpenJDK for jdk_lang test group
8191410: Unicode 10
8229831: Upgrade Character.isUnicodeIdentifierStart/Part() methods to the latest standard
8187443: Forest Consolidation: Move files to unified layout
8221431: Support for Unicode 12.1
8196740: Character.digit(int,int) returns wrong value for out of range radix
4993841: (str) java.lang.Character should have a toString(int) method