FULL PRODUCT VERSION :
java version " 1.7.0_25 "
Java(TM) SE Runtime Environment (build 1.7.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Windows 7 Professional (x64) Japanese

A DESCRIPTION OF THE PROBLEM :
Generating javadoc for an enum will cause a warning in japanese environment.
-------------------------------------------------------------------------------------------------------------
t.java:1: ?? - @return????????????????????????????
t.java:1: ?? - @return????????????????????????
t.java:1: ?? - @param argument " name???????????? " ???????????????
-------------------------------------------------------------------------------------------------------------

The value of `doclet.enum_valueof_doc' in the doclets_ja.properties seems wrong.

REGRESSION. Last worked in version 6u45

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
C:\tmp>type t.java
public enum t {
        test
};

C:\tmp>javadoc t.java >nul
t.java:1: ?? - @return????????????????????????????
t.java:1: ?? - @return????????????????????????
t.java:1: ?? - @param argument " name???????????? " ???????????????


REPRODUCIBILITY :
This bug can be reproduced always.