Index: trunk/src/plugins/rt_topo/crbs.h
===================================================================
--- trunk/src/plugins/rt_topo/crbs.h	(revision 1343)
+++ trunk/src/plugins/rt_topo/crbs.h	(revision 1344)
@@ -38,7 +38,7 @@
 } crbs_point_t;
 
 typedef struct crbs_edge_s {
-	long nets;
+	long nets;     /* nets parallel with this edge */
 	double ang[2]; /* outgoing edge angle, indexed by endp[] */
 	edge_t *edge;
 } crbs_edge_t;