> As already pointed out by Nicolas Goaziou, org-mode also requires other > external stuff
A data point. Ditaa requires a JRE as mentioned at http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-ditaa.html The litigious terms are ditaa version 0.9, Copyright (C) 2004--2009 Efstathios (Stathis) Sideris I didn’t find ditaa.jar in org-mode’s contrib/scripts as claimed.
