diff -r 9222a9b8b323 -r c07e4dd32438 src/work/list_graph.h
--- a/src/work/list_graph.h	Fri Mar 19 22:16:05 2004 +0000
+++ b/src/work/list_graph.h	Sat Mar 20 11:19:00 2004 +0000
@@ -428,7 +428,7 @@
       friend class ListGraph;
       //protected: 
     public: //for alpar
-      EdgeIt(const ListGraph&) {
+      EdgeIt(const ListGraph& G) {
 	node_item* v=G._first_node;
 	if (v) edge=v->_first_out_edge; else edge=0;
 	while (v && !edge) { v=v->_next_node; if (v) edge=v->_first_out_edge; }