With this semantics, we hope to get as close as possible to the clear semantics without the presence of a module system. Applications using modules should consider using use_module/[1,2].

Equivalent to load_files(Files, [if(not_loaded)]).^{54On older versions the condition used to be if(changed). Poor time management on some machines or copying often caused problems. The make/0 predicate deals with updating the running system after changing the source code.}