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 FR16P, bcton('00000000000000000000000000000000000000000000000000000000000000000000000000000'//& '000000000000000000000000000000000001111111100111111', knd=1._R16P) endprogram volatile_doctest