src/share/classes/javax/swing/text/StyledEditorKit.java

*** 42,51 ****
--- 42,52 ----
   * implementation which treats text as styled text and
   * provides a minimal set of actions for editing styled text.
   *
   * @author  Timothy Prinzing
   */
+ @SuppressWarnings("serial") // Same-version serialization only
  public class StyledEditorKit extends DefaultEditorKit {
  
      /**
       * Creates a new EditorKit used for styled documents.
       */
*** 168,177 ****
--- 169,179 ----
      }
  
      /**
       * Creates the AttributeSet used for the selection.
       */
+     @SuppressWarnings("serial") // anonymous class
      private void createInputAttributes() {
          inputAttributes = new SimpleAttributeSet() {
              public AttributeSet getResolveParent() {
                  return (currentParagraph != null) ?
                             currentParagraph.getAttributes() : null;
*** 216,225 ****
--- 218,228 ----
       * caret position.
       * <p>This implements PropertyChangeListener to update the
       * input attributes when the Document changes, as if the Document
       * changes the attributes will almost certainly change.
       */
+     @SuppressWarnings("serial") // JDK-implementation class
      class AttributeTracker implements CaretListener, PropertyChangeListener, Serializable {
  
          /**
           * Updates the attributes. <code>dot</code> and <code>mark</code>
           * mark give the positions of the selection in <code>c</code>.
*** 852,861 ****
--- 855,865 ----
       * <code>DefaultEditorKit.InsertBreakAction</code>. That is when
       * its <code>actionPerformed</code> method is invoked, a newline
       * is inserted. Beyond that, this will reset the input attributes to
       * what they were before the newline was inserted.
       */
+     @SuppressWarnings("serial") // Superclass is not serializable across versions
      static class StyledInsertBreakAction extends StyledTextAction {
          private SimpleAttributeSet tempSet;
  
          StyledInsertBreakAction() {
              super(insertBreakAction);