src/share/classes/java/util/NavigableSet.java

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rev 7361 : 7129185: Add Collections.{checked|empty|unmodifiable}Navigable{Map|Set}
Reviewed-by: dmocek, martin, smarks
@@ -301,11 +301,11 @@
      * <p>Equivalent to {@code headSet(toElement, false)}.
      *
      * @throws ClassCastException       {@inheritDoc}
      * @throws NullPointerException     {@inheritDoc}
      * @throws IllegalArgumentException {@inheritDoc}
-na     */
+     */
     SortedSet<E> headSet(E toElement);
 
     /**
      * {@inheritDoc}
      *