Causes the preprocessor to output warnings for any errors it finds, either to the .lst file if one is being produced or to the screen.
>>-.---.-.----.-WARN---.----.------------><
+-/-+ | +-W------+ |
| |
+-NO-.-WARN---.----+
+-W------+
None
| Default: | NOWARN |
| Phase: | Syntax check |
| $SET: | Initial |