diff -r 0fbbb4bc42dd -r 2f5c0c42a5cd lemon/list_graph.h
--- a/lemon/list_graph.h	Mon Oct 20 20:03:14 2008 +0200
+++ b/lemon/list_graph.h	Wed Oct 22 14:37:43 2008 +0100
@@ -840,8 +840,8 @@
       explicit Arc(int pid) { id = pid;}
 
     public:
-      operator Edge() const { 
-        return id != -1 ? edgeFromId(id / 2) : INVALID; 
+      operator Edge() const {
+        return id != -1 ? edgeFromId(id / 2) : INVALID;
       }
 
       Arc() {}