Index: doc/Doxyfile.in
===================================================================
--- doc/Doxyfile.in	(revision 226)
+++ doc/Doxyfile.in	(revision 299)
@@ -222,5 +222,5 @@
 # Configuration options related to the dot tool   
 #---------------------------------------------------------------------------
-CLASS_DIAGRAMS         = NO
+CLASS_DIAGRAMS         = YES
 MSCGEN_PATH            = 
 HIDE_UNDOC_RELATIONS   = YES