--- old/src/java.desktop/share/classes/javax/swing/plaf/ActionMapUIResource.java	2015-04-07 15:49:49.362545963 -0700
+++ new/src/java.desktop/share/classes/javax/swing/plaf/ActionMapUIResource.java	2015-04-07 15:49:49.206545959 -0700
@@ -37,6 +37,9 @@
  */
 @SuppressWarnings("serial") // Superclass is not serializable across versions
 public class ActionMapUIResource extends ActionMap implements UIResource {
+    /**
+     * Constructs an {@code ActionMapUIResource}.
+     */
     public ActionMapUIResource() {
     }
 }