@@ -50,6 +50,13 @@
  *	  set.
  *
  * \param set The set to intersect
  */
 - (void)intersectSet: (OFSet*)set;
+
+/**
+ * \brief Creates a union of the receiver and the specified set.
+ *
+ * \param set The set to create the union with
+ */
+- (void)unionSet: (OFSet*)set;
 @end