Hello, I could be wrong, but org-exp-block.el already provides support for any Graphviz command since you can add the option -K as an argument to dot.
Then again, I can have mistaken your point. -- Nicolas Goaziou _______________________________________________ Emacs-orgmode mailing list Remember: use `Reply All' to send replies to the list. Emacs-orgmode@gnu.org http://lists.gnu.org/mailman/listinfo/emacs-orgmode