[NeilFraser]

You win the prize for most impressive Blockly program yet. Looking forward to what you will write once we get procedures landed. -- The Blockly Team.

[a-priori]

So that explains why I couldn't figure out how to call a procedure...

[bromagosa]

Same here, I was already going crazy hehe

[JoshTriplett]

Taking advantage of JavaScript-translation-specific behavior allows procedures to work right now: just use arguments[1], arguments[2], and so on.