hg: jdk7/tl/jdk: 7014645: Support perl style Unicode hex notation \x{...}

[xueming.shen at oracle.com]

Changeset: 035ecca4379c
Author:    sherman
Date:      2011-02-03 13:49 -0800
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/035ecca4379c

7014645: Support perl style Unicode hex notation \x{...}
Summary: Added the construct \x{...} for Unicode hex notation support
Reviewed-by: alanb, okutsu

! src/share/classes/java/util/regex/Pattern.java
! test/java/util/regex/RegExTest.java