Index: trunk/archive/pslib/include/psMath.h
===================================================================
--- trunk/archive/pslib/include/psMath.h	(revision 253)
+++ trunk/archive/pslib/include/psMath.h	(revision 257)
@@ -17,4 +17,9 @@
     } val;
 } p_psScalar;
+
+/** Functions **************************************************************/
+/** \addtogroup MathGroup Math Utilities
+ *  \{
+ */
 
 /** Perform a binary operation on two data items (psImage, psVector, psScalar). */
@@ -42,4 +47,6 @@
 	      ...			///< value (or values) of specified types
 );
+
+/* \} */ // End of MathGroup Functions
 
 /** the functions defined here can operate on the basic PSLib data types: psImage, psVector, XXX.  These data