This will produce error messages like:

ERROR: Argument mismatch in argument 1. Expected argument of type 'double'
 instead of 'char*'
ERROR: Invalid arguments trying to create trigger 'prestart'
ERROR: pand.ctrl:7: Error in trigger
ERROR: Could not load controller file

	modified:   controller/controller_load.c
	modified:   controller/controller_sample.c
	modified:   controller/controller_sample.h