--- a/jdk/src/share/classes/java/time/chrono/JapaneseEra.java	Fri Sep 06 14:18:06 2013 -0700
+++ b/jdk/src/share/classes/java/time/chrono/JapaneseEra.java	Wed Sep 11 10:16:21 2013 -0400
@@ -155,7 +155,7 @@
      * The era value.
      * @serial
      */
-    private final int eraValue;
+    private final transient int eraValue;
 
     // the first day of the era
     private final transient LocalDate since;
@@ -371,6 +371,17 @@
     }
 
     //-----------------------------------------------------------------------
+    /**
+     * Writes the object using a
+     * <a href="../../../serialized-form.html#java.time.chrono.Ser">dedicated serialized form</a>.
+     * @serialData
+     * <pre>
+     *  out.writeByte(5);        // identifies a JapaneseEra
+     *  out.writeInt(getValue());
+     * </pre>
+     *
+     * @return the instance of {@code Ser}, not null
+     */
     private Object writeReplace() {
         return new Ser(Ser.JAPANESE_ERA_TYPE, this);
     }