Causes the preprocessor to output a file containing the expanded source code produced by the preprocessor.
>>-.---.--OUT--"fname"------------------->< +-/-+
| fname | Name of the file to contain the expanded source. | 
| Default: | None | 
| Phase: | Syntax check | 
| $SET: | Initial | 
NODEBUGFILE turns off the OUT directive if it has been specified previously.
Comments:
This file output by this directive is for use in debugging preprocessor problems.