diff -r d678ac758734 -r 430628bf6412 jdk/src/share/classes/java/util/function/UnaryOperator.java
--- a/jdk/src/share/classes/java/util/function/UnaryOperator.java	Sat Jun 29 06:12:28 2013 -0400
+++ b/jdk/src/share/classes/java/util/function/UnaryOperator.java	Sun Jun 30 16:02:11 2013 -0700
@@ -40,6 +40,7 @@
     /**
      * Returns a unary operator that provides its input value as the result.
      *
+     * @param <T> the type of the input and output objects to the function
      * @return a unary operator that provides its input value as the result
      */
     static <T> UnaryOperator<T> identity() {