Wtl-Course names a function, with lambda list (THING):
The course of THING's current movement in WTL form.
See TOOTSVILLE INFINITY-WTL for a discussion of this format.
Defined in file src/characters/robots.lisp.
(SETF Wtl-Course) names an undocumented function, with lambda list (NEW-VALUE OBJECT).
Class Wtl-Course has no direct slots defined.