diff -r 741f3108a90f -r e997802b855c src/work/marci/experiment/edmonds_karp_demo.cc
--- a/src/work/marci/experiment/edmonds_karp_demo.cc	Sat Nov 13 12:24:01 2004 +0000
+++ b/src/work/marci/experiment/edmonds_karp_demo.cc	Sat Nov 13 12:53:28 2004 +0000
@@ -104,7 +104,7 @@
     int i=0;
     while (max_flow_test.augmentOnBlockingFlow<MutableGraph>()) { 
 //     for(EdgeIt e=G.template first<EdgeIt>(); e.valid(); ++e) { 
-//       std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//       std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //     }
 //     std::cout<<std::endl;
       ++i; 
@@ -112,7 +112,7 @@
 
 //   std::cout << "maximum flow: "<< std::endl;
 //   for(EdgeIt e=G.first<EdgeIt>(); e.valid(); ++e) { 
-//     std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//     std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //   }
 //   std::cout<<std::endl;
     std::cout << "elapsed time: " << ts << std::endl;
@@ -135,7 +135,7 @@
     int i=0;
     while (max_flow_test.augmentOnBlockingFlow1<MutableGraph>()) { 
 //     for(EdgeIt e=G.template first<EdgeIt>(); e.valid(); ++e) { 
-//       std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//       std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //     }
 //     std::cout<<std::endl;
       ++i; 
@@ -143,7 +143,7 @@
 
 //   std::cout << "maximum flow: "<< std::endl;
 //   for(EdgeIt e=G.first<EdgeIt>(); e.valid(); ++e) { 
-//     std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//     std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //   }
 //   std::cout<<std::endl;
     std::cout << "elapsed time: " << ts << std::endl;
@@ -166,7 +166,7 @@
     int i=0;
     while (max_flow_test.augmentOnBlockingFlow2()) { 
 //     for(EdgeIt e=G.template first<EdgeIt>(); e.valid(); ++e) { 
-//       std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//       std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //     }
 //     std::cout<<std::endl;
       ++i; 
@@ -174,7 +174,7 @@
 
 //   std::cout << "maximum flow: "<< std::endl;
 //   for(EdgeIt e=G.first<EdgeIt>(); e.valid(); ++e) { 
-//     std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//     std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //   }
 //   std::cout<<std::endl;
     std::cout << "elapsed time: " << ts << std::endl;
@@ -197,7 +197,7 @@
     int i=0;
     while (max_flow_test.augmentOnShortestPath()) { 
 //     for(EdgeIt e=G.template first<EdgeIt>(); e.valid(); ++e) { 
-//       std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//       std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //     }
 //     std::cout<<std::endl;
       ++i; 
@@ -205,7 +205,7 @@
 
 //   std::cout << "maximum flow: "<< std::endl;
 //   for(EdgeIt e=G.first<EdgeIt>(); e.valid(); ++e) { 
-//     std::cout<<"("<<G.tail(e)<< "-"<<flow.get(e)<<"->"<<G.head(e)<<") ";
+//     std::cout<<"("<<G.source(e)<< "-"<<flow.get(e)<<"->"<<G.target(e)<<") ";
 //   }
 //   std::cout<<std::endl;
     std::cout << "elapsed time: " << ts << std::endl;