I thought the language implementation was much more impressive: http://3.bp.blogspot.com/_Zfbv3mHcYrc/R_cAAN-Jc2I/AAAAAAAAAZs/eM3bX3tzrag/s1600-h/diagramcode.pn

I thought the language implementation was much more impressive: http://3.bp.blogspot.com/_Zfbv3mHcYrc/R_cAAN-Jc2I/AAAAAAAAAZs/eM3bX3tzrag/s1600-h/diagramcode.png http://3.bp.blogspot.com/_Zfbv3mHcYrc/R_cAAN-Jc2I/AAAAAAAAAZ... So close to BNF, and so clear in its deviations. Would be nice if I could use something like this to extend Python or JS and compile to them...