--- old/src/share/classes/com/sun/jdi/event/StepEvent.java	2013-02-21 17:45:45.004650787 +0000
+++ new/src/share/classes/com/sun/jdi/event/StepEvent.java	2013-02-21 17:45:44.712650794 +0000
@@ -46,6 +46,6 @@
  * @author Robert Field
  * @since  1.3
  */
+@jdk.Supported
 public interface StepEvent extends LocatableEvent {
-
 }