Nodes of different colours represent the following:
Solid arrows point from a file to a file which it depends on. A file is dependent upon another if the latter must be compiled before the former can be.
program volatile_doctest use penf_stringify use penf print FI8P, bcton('0000000000000000000000000000000000000000000000000000000000000001', knd=1_I8P) endprogram volatile_doctest