1.1 --- a/demo/reader_writer_demo.cc	Wed Aug 17 20:39:11 2005 +0000
     1.2 +++ b/demo/reader_writer_demo.cc	Wed Aug 17 21:52:50 2005 +0000
     1.3 @@ -26,7 +26,6 @@
     1.4  
     1.5  #include <iostream>
     1.6  #include <lemon/smart_graph.h>
     1.7 -#include <lemon/invalid.h>
     1.8  #include <lemon/graph_reader.h>
     1.9  #include <lemon/graph_writer.h>
    1.10