Flags an object for special action on garbage collection.
The object on which the special actions are to be performed. This cannot be a symbol.
Note that all the current special-free-action functions are performed on the object. Use flag-not-special-free-action to unflag an object.
CL-USER 29 > (make-instance 'capi:title-pane)
#<CAPI:TITLE-PANE "" 20F9898C>
CL-USER 30 > (flag-special-free-action *)
LispWorks Reference Manual - 20 Jul 2006