1.1 --- a/lemon/bits/edge_set_extender.h	Thu Apr 13 17:22:17 2006 +0000
     1.2 +++ b/lemon/bits/edge_set_extender.h	Thu Apr 13 17:57:03 2006 +0000
     1.3 @@ -224,7 +224,7 @@
     1.4        typedef EdgeSetExtender Graph;
     1.5        typedef MapExtender<DefaultMap<Graph, Edge, _Value> > Parent;
     1.6  
     1.7 -      EdgeMap(const Graph& _g) 
     1.8 +      explicit EdgeMap(const Graph& _g) 
     1.9  	: Parent(_g) {}
    1.10        EdgeMap(const Graph& _g, const _Value& _v) 
    1.11  	: Parent(_g, _v) {}