SelPy: graph.py
graph.py: allow to specify "the program" argument..
Currently in practice it is not really needed, since the default program dot produces the best layout, but for some graphs, the alternative programs could be also considered.
graph.py: allow to specify "the program" argument..
Currently in practice it is not really needed, since the default program dot produces the best layout, but for some graphs, the alternative programs could be also considered.