--- old/src/java.base/share/classes/java/util/RegularEnumSet.java	2015-08-07 21:15:18.086584064 +0400
+++ new/src/java.base/share/classes/java/util/RegularEnumSet.java	2015-08-07 21:15:17.878584073 +0400
@@ -123,19 +123,19 @@
     }
 
     /**
-     * Returns <tt>true</tt> if this set contains no elements.
+     * Returns {@code true} if this set contains no elements.
      *
-     * @return <tt>true</tt> if this set contains no elements
+     * @return {@code true} if this set contains no elements
      */
     public boolean isEmpty() {
         return elements == 0;
     }
 
     /**
-     * Returns <tt>true</tt> if this set contains the specified element.
+     * Returns {@code true} if this set contains the specified element.
      *
      * @param e element to be checked for containment in this collection
-     * @return <tt>true</tt> if this set contains the specified element
+     * @return {@code true} if this set contains the specified element
      */
     public boolean contains(Object e) {
         if (e == null)
@@ -153,9 +153,9 @@
      * Adds the specified element to this set if it is not already present.
      *
      * @param e element to be added to this set
-     * @return <tt>true</tt> if the set changed as a result of the call
+     * @return {@code true} if the set changed as a result of the call
      *
-     * @throws NullPointerException if <tt>e</tt> is null
+     * @throws NullPointerException if {@code e} is null
      */
     public boolean add(E e) {
         typeCheck(e);
@@ -169,7 +169,7 @@
      * Removes the specified element from this set if it is present.
      *
      * @param e element to be removed from this set, if present
-     * @return <tt>true</tt> if the set contained the specified element
+     * @return {@code true} if the set contained the specified element
      */
     public boolean remove(Object e) {
         if (e == null)
@@ -186,11 +186,11 @@
     // Bulk Operations
 
     /**
-     * Returns <tt>true</tt> if this set contains all of the elements
+     * Returns {@code true} if this set contains all of the elements
      * in the specified collection.
      *
      * @param c collection to be checked for containment in this set
-     * @return <tt>true</tt> if this set contains all of the elements
+     * @return {@code true} if this set contains all of the elements
      *        in the specified collection
      * @throws NullPointerException if the specified collection is null
      */
@@ -209,7 +209,7 @@
      * Adds all of the elements in the specified collection to this set.
      *
      * @param c collection whose elements are to be added to this set
-     * @return <tt>true</tt> if this set changed as a result of the call
+     * @return {@code true} if this set changed as a result of the call
      * @throws NullPointerException if the specified collection or any
      *     of its elements are null
      */
@@ -236,7 +236,7 @@
      * the specified collection.
      *
      * @param c elements to be removed from this set
-     * @return <tt>true</tt> if this set changed as a result of the call
+     * @return {@code true} if this set changed as a result of the call
      * @throws NullPointerException if the specified collection is null
      */
     public boolean removeAll(Collection<?> c) {
@@ -257,7 +257,7 @@
      * specified collection.
      *
      * @param c elements to be retained in this set
-     * @return <tt>true</tt> if this set changed as a result of the call
+     * @return {@code true} if this set changed as a result of the call
      * @throws NullPointerException if the specified collection is null
      */
     public boolean retainAll(Collection<?> c) {
@@ -285,12 +285,12 @@
 
     /**
      * Compares the specified object with this set for equality.  Returns
-     * <tt>true</tt> if the given object is also a set, the two sets have
+     * {@code true} if the given object is also a set, the two sets have
      * the same size, and every member of the given set is contained in
      * this set.
      *
      * @param o object to be compared for equality with this set
-     * @return <tt>true</tt> if the specified object is equal to this set
+     * @return {@code true} if the specified object is equal to this set
      */
     public boolean equals(Object o) {
         if (!(o instanceof RegularEnumSet))