--- old/src/java.desktop/share/classes/javax/print/attribute/HashDocAttributeSet.java	2017-08-11 15:12:03.000000000 -0700
+++ new/src/java.desktop/share/classes/javax/print/attribute/HashDocAttributeSet.java	2017-08-11 15:12:03.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,22 +23,24 @@
  * questions.
  */
 
-
 package javax.print.attribute;
 
 import java.io.Serializable;
 
 /**
- * Class HashDocAttributeSet provides an attribute set which
- * inherits its implementation from class {@link HashAttributeSet
- * HashAttributeSet} and enforces the semantic restrictions of interface {@link
- * DocAttributeSet DocAttributeSet}.
+ * Class {@code HashDocAttributeSet} provides an attribute set which inherits
+ * its implementation from class {@link HashAttributeSet HashAttributeSet} and
+ * enforces the semantic restrictions of interface
+ * {@link DocAttributeSet DocAttributeSet}.
  *
- * @author  Alan Kaminsky
+ * @author Alan Kaminsky
  */
 public class HashDocAttributeSet extends HashAttributeSet
     implements DocAttributeSet, Serializable {
 
+    /**
+     * Use serialVersionUID from JDK 1.4 for interoperability.
+     */
     private static final long serialVersionUID = -1128534486061432528L;
 
     /**
@@ -49,53 +51,43 @@
     }
 
     /**
-     * Construct a new hash doc attribute set,
-     * initially populated with the given value.
-     *
-     * @param  attribute  Attribute value to add to the set.
+     * Construct a new hash doc attribute set, initially populated with the
+     * given value.
      *
-     * @exception  NullPointerException
-     *     (unchecked exception) Thrown if {@code attribute} is null.
+     * @param  attribute attribute value to add to the set
+     * @throws NullPointerException if {@code attribute} is {@code null}
      */
     public HashDocAttributeSet(DocAttribute attribute) {
         super (attribute, DocAttribute.class);
     }
 
     /**
-     * Construct a new hash doc attribute set,
-     * initially populated with the values from the given array.
-     * The new attribute set is populated by
-     * adding the elements of {@code attributes} array to the set in
-     * sequence, starting at index 0. Thus, later array elements may replace
-     * earlier array elements if the array contains duplicate attribute
-     * values or attribute categories.
-     *
-     * @param  attributes  Array of attribute values to add to the set.
-     *                     If null, an empty attribute set is constructed.
-     *
-     * @exception  NullPointerException
-     *  (unchecked exception)
-     * Thrown if any element of {@code attributes} is null.
+     * Construct a new hash doc attribute set, initially populated with the
+     * values from the given array. The new attribute set is populated by adding
+     * the elements of {@code attributes} array to the set in sequence, starting
+     * at index 0. Thus, later array elements may replace earlier array elements
+     * if the array contains duplicate attribute values or attribute categories.
+     *
+     * @param  attributes array of attribute values to add to the set. If
+     *         {@code null}, an empty attribute set is constructed.
+     * @throws NullPointerException if any element of {@code attributes} is
+     *         {@code null}
      */
     public HashDocAttributeSet(DocAttribute[] attributes) {
         super (attributes, DocAttribute.class);
     }
 
     /**
-     * Construct a new attribute set, initially populated with the
-     * values from the  given set where the members of the attribute set
-     * are restricted to the {@code DocAttribute} interface.
+     * Construct a new attribute set, initially populated with the values from
+     * the given set where the members of the attribute set are restricted to
+     * the {@code DocAttribute} interface.
      *
      * @param  attributes set of attribute values to initialise the set. If
-     *                    null, an empty attribute set is constructed.
-     *
-     * @exception  ClassCastException
-     *     (unchecked exception) Thrown if any element of
-     * {@code attributes} is not an instance of
-     * {@code DocAttribute}.
+     *         {@code null}, an empty attribute set is constructed.
+     * @throws ClassCastException if any element of {@code attributes} is not an
+     *         instance of {@code DocAttribute}
      */
     public HashDocAttributeSet(DocAttributeSet attributes) {
         super(attributes, DocAttribute.class);
     }
-
 }