ppp - This is the executable to App::pandoc::preprocess
App-pandoc-preprocess / ppp lets use dot/ditaa/rdfdot in pandoc code blocks.
Extremely similar to <https://github.com/nichtich/ditaa-markdown>
This software is copyright (c) 2014 by DBR.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.