Index: sources/test_regression/29032005/Makefile
===================================================================
--- sources/test_regression/29032005/Makefile	(revision 15)
+++ sources/test_regression/29032005/Makefile	(revision 18)
@@ -16,11 +16,14 @@
   (tail -n +3 port_graph.dot | diff port_graph_reference.dot -) || eval ${failcom} ; \
   ((tail -n +3 signal_graph.dot | diff signal_graph_reference.dot -) \
-  || (tail -n +3 signal_graph.dot | diff signal_graph_reference2.dot -)) \
+  || (tail -n +3 signal_graph.dot | diff signal_graph_reference2.dot -) \
+  || (tail -n +3 signal_graph.dot | diff signal_graph_reference3.dot -)) \
   || eval ${failcom} ; \
   ((tail -n +3 process_order.dot | diff process_order_reference.dot -) \
-  || (tail -n +3 process_order.dot | diff process_order_reference2.dot -)) \
+  || (tail -n +3 process_order.dot | diff process_order_reference2.dot -)  \
+  || (tail -n +3 process_order.dot | diff process_order_reference3.dot -)) \
   || eval ${failcom} ; \
   (diff signal_order_reference.txt signal_order.txt) \
   || (diff signal_order_reference2.txt signal_order.txt) \
+  || (diff signal_order_reference3.txt signal_order.txt) \
   || eval ${failcom} ; \
   done
Index: sources/test_regression/29032005/signal_order_reference3.txt
===================================================================
--- sources/test_regression/29032005/signal_order_reference3.txt	(revision 18)
+++ sources/test_regression/29032005/signal_order_reference3.txt	(revision 18)
@@ -0,0 +1,15 @@
+s04 
+s03 
+s02 
+s08 
+s07 
+s06 
+s01 
+s05 
+s15 
+s11 
+s10 
+s09 
+s13 
+s12 
+s14