added more alg. stuff

diff --git a/doc/todo.html b/doc/todo.html
index 576308c56cd5bb0f1bb5d2ab6e0a886023573fbc..448d85bb377a3af1beadff8460ef0b2eaa6c751a 100755 (executable)
--- a/doc/todo.html
+++ b/doc/todo.html
@@ -64,6 +64,8 @@ Tabular layout in rows and columns.
 Support for compound graphs.
 Spline router improvement (Gordon's improvements, alpha adjustments, fewer
   inflection points)
+Fast incremental hierarchical layout
+Edge routing with just two vnodes per edge (after Kaufmann)
 Graph language improvements
   local name spaces
   subclassing