diff -r efab34f23b30 -r 7ac96d31280f src/work/alpar/bfs-named-param.cc
--- a/src/work/alpar/bfs-named-param.cc	Tue Jul 27 18:56:10 2004 +0000
+++ b/src/work/alpar/bfs-named-param.cc	Tue Jul 27 19:08:23 2004 +0000
@@ -183,12 +183,19 @@
   MyVisitedMap vm(G);
 
 
-  //bfs(G,n).run(); 
+  //Runs BFS on graph 'G' from node 's'.
+  //(It practically does nothing, for it throws away its result.) 
+  bfs(G,s).run(); 
 
+  //Runs BFS on graph 'G' from node 's'. Puts the predessor nodes to 'm'.
   bfs(G,s).setPredNodeMap(m).run();
 
+  //Runs BFS on graph 'G' from node 's'.
+  //Puts the predessor nodes to 'm' and the edges of the bfs tree to 'em'.
   bfs(G,s).setPredNodeMap(m).setPredEdgeMap(em).run();
 
+  //Runs BFS on graph 'G' from node 's'.
+  //It uses a scpecial 'visited map' that prints out the reached nodes.
   bfs(G,s).setVisitMap(vm).run();
 
 }