Index: main.c
===================================================================
--- main.c	(revision 36189)
+++ main.c	(revision 36190)
@@ -110,6 +110,9 @@
 	{"design/groups", 13, 1},
 	{"design/default_layer_name", 25, 1},
 
+	/* Do not war for this special case: drc rules create the nodes later */
+	{"design/drc/", 11, 1},
+
 	{NULL, 0, 0}
 };