Index: modules/swing/src/main/java/common/javax/swing/undo/AbstractUndoableEdit.java =================================================================== --- modules/swing/src/main/java/common/javax/swing/undo/AbstractUndoableEdit.java (revision 506473) +++ modules/swing/src/main/java/common/javax/swing/undo/AbstractUndoableEdit.java (working copy) @@ -57,6 +57,7 @@ * Object obj = new AbstractUndoableEdit() {}; * System.out.println(obj.toString()); */ + @Override public String toString() { return super.toString() + " alive: " + alive + " hasBeenDone: " + hasBeenDone;