ronsavage/Tree--DAG_Node — pull request #1 by PWBENNETT (2013-12-08 18:30:03+00:00)
Title: First untested stab at tree_to_graph_pm

More research is required before attempting any of the many possible GraphViz2 output options, but here at least is something that ought to provide Graph.pm objects, which may or may not prove useful now I'm no longer determined to use Graph::Writer::GraphViz...