diff -r ef13597d249a -r 261b4701405d demo/reader_writer_demo.cc
--- a/demo/reader_writer_demo.cc	Tue Mar 27 09:23:33 2007 +0000
+++ b/demo/reader_writer_demo.cc	Fri Mar 30 14:17:28 2007 +0000
@@ -39,9 +39,11 @@
 
   try {
     std::string filename="sample.lgf";
+    std::string name;
     GraphReader<SmartGraph> reader(filename,graph);
     SmartGraph::EdgeMap<int> cap(graph);
     reader.readEdgeMap("capacity",cap);
+    reader.readAttribute("name",name);
     reader.run();
 
     std::cout << "Hello! We have read a graph from file " << filename<< 
@@ -51,6 +53,7 @@
 
     GraphWriter<SmartGraph> writer(std::cout, graph);
     writer.writeEdgeMap("multiplicity", cap);
+    writer.writeAttribute("name",name);
     writer.run();
      
   } catch (DataFormatError& error) {