src/java.desktop/share/classes/javax/swing/undo/CompoundEdit.java

@@ -43,10 +43,13 @@
      * The collection of <code>UndoableEdit</code>s
      * undone/redone en masse by this <code>CompoundEdit</code>.
      */
     protected Vector<UndoableEdit> edits;
 
+    /**
+     * Constructs a {@code CompoundEdit}.
+     */
     public CompoundEdit() {
         super();
         inProgress = true;
         edits = new Vector<UndoableEdit>();
     }