Reviewed-by: darcy, lancea, alanb, briangoetz, mduigou, mchung

Reviewed-by: okutsu

Reviewed-by: okutsu

Summary: Add public variants of methods Surrogate.high, Surrogate.low
Reviewed-by: okutsu, sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Summary: Use generics and conform to coding style
Reviewed-by: sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Summary: Fix surrogate area docs; make source more readable
Reviewed-by: okutsu, sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Summary: Move isBmpCodePoint from sun.nio.cs.Surrogate to Character
Reviewed-by: sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Summary: Use the cleverest possible bit-twiddling micro-optimizations
Reviewed-by: sherman
Contributed-by: NUlf Zibis <ulf.zibis@gmx.de>

Reviewed-by: darcy, weijun

6948903: Make Unicode scripts available for use in regular expressions
Summary: added Unicode script suport
Reviewed-by: martin

Reviewed-by: darcy
Contributed-by: kevinb@google.com

Summary: Specify some hashCode methods are equivalent to intValue
Reviewed-by: darcy

Summary: Remove stray quote in Character.valueOf javadoc, using Ulf's \u005CuXXXX technique
Reviewed-by: darcy

Summary: Add new method Character.isSurrogate(char ch)
Reviewed-by: sherman, darcy, okutsu

Reviewed-by: okutsu

Summary: rearranging code saves 5 bytes of bytecode
Reviewed-by: sherman

Reviewed-by: mr

Reviewed-by: okutsu, naoto