Index: sources/test_regression/25032005/Makefile
===================================================================
--- sources/test_regression/25032005/Makefile	(revision 15)
+++ sources/test_regression/25032005/Makefile	(revision 18)
@@ -14,8 +14,5 @@
 	./system_systemc.x ; \
 	./system_systemcass.x --p --t || eval ${failcom} ; \
-	((tail --lines=+3 signal_graph.dot  | diff signal_graph_reference.dot -)\
-        || (tail -n +3 signal_graph.dot | diff signal_graph_reference2.dot -)) \
-        || eval ${failcom} ; \
-        
+	((tail --lines=+3 signal_graph.dot  | diff signal_graph_reference.dot -) || (tail -n +3 signal_graph.dot | diff signal_graph_reference2.dot -)) || eval ${failcom}
 	tail --lines=+3 process_order.dot | diff process_order_reference.dot -
 	diff signal_order_reference.txt signal_order.txt