sverweij/mscgen_js

# test14: cheat sheet
width=300, watermark="msc cheat sheet";
a -> b   : a -> b  (signal);
a => b   : a =>> b  (method);
b >> a   : b >> a  (return value);
a =>> b  : a =>> b (callback);
a -x b   : a -x b  (lost);
a :> b   : a :> b  (emphasis);
a .. b   : a .. b  (dotted);
a note a : a note a\n(note),
b box b  : b box b\n(action);
a rbox a : a rbox a\n(reference),
b abox b : b abox b\n(state/ condition);
|||      : ||| (empty row);
...      : ... (omitted row);
---      : --- (comment);