src/java.desktop/share/classes/javax/swing/text/DefaultStyledDocument.java

*** 120,129 ****
--- 120,130 ----
      /**
       * Initialize the document to reflect the given element
       * structure (i.e. the structure reported by the
       * <code>getDefaultRootElement</code> method.  If the
       * document contained any data it will first be removed.
+      * @param data the element data
       */
      protected void create(ElementSpec[] data) {
          try {
              if (getLength() != 0) {
                  remove(0, getLength());
*** 1102,1111 ****
--- 1103,1115 ----
      /**
       * The default size of the initial content buffer.
       */
      public static final int BUFFER_SIZE_DEFAULT = 4096;
  
+     /**
+      * The element buffer.
+      */
      protected ElementBuffer buffer;
  
      /** Styles listening to. */
      private transient Vector<Style> listeningStyles;
  
*** 2522,2531 ****
--- 2526,2541 ----
      /**
       * An UndoableEdit used to remember AttributeSet changes to an
       * Element.
       */
      public static class AttributeUndoableEdit extends AbstractUndoableEdit {
+         /**
+          * Constructs an {@code AttributeUndoableEdit}.
+          * @param element the element
+          * @param newAttributes the new attributes
+          * @param isReplacing true if all the attributes in the element were removed first.
+          */
          public AttributeUndoableEdit(Element element, AttributeSet newAttributes,
                                boolean isReplacing) {
              super();
              this.element = element;
              this.newAttributes = newAttributes;
*** 2559,2575 ****
              MutableAttributeSet as = (MutableAttributeSet)element.getAttributes();
              as.removeAttributes(as);
              as.addAttributes(copy);
          }
  
!         // AttributeSet containing additional entries, must be non-mutable!
          protected AttributeSet newAttributes;
!         // Copy of the AttributeSet the Element contained.
          protected AttributeSet copy;
!         // true if all the attributes in the element were removed first.
          protected boolean isReplacing;
!         // Efected Element.
          protected Element element;
      }
  
      /**
       * UndoableEdit for changing the resolve parent of an Element.
--- 2569,2593 ----
              MutableAttributeSet as = (MutableAttributeSet)element.getAttributes();
              as.removeAttributes(as);
              as.addAttributes(copy);
          }
  
!         /**
!          * AttributeSet containing additional entries, must be non-mutable!
!          */
          protected AttributeSet newAttributes;
!         /**
!          * Copy of the AttributeSet the Element contained.
!          */
          protected AttributeSet copy;
!         /**
!          * true if all the attributes in the element were removed first.
!          */
          protected boolean isReplacing;
!         /**
!          * Affected Element.
!          */
          protected Element element;
      }
  
      /**
       * UndoableEdit for changing the resolve parent of an Element.