;;; the component tail.
;;; -- Close over the NLX-INFO in the exit environment.
;;; -- If the exit is from an :ESCAPE function, then substitute a
;;; the component tail.
;;; -- Close over the NLX-INFO in the exit environment.
;;; -- If the exit is from an :ESCAPE function, then substitute a
;;; function reference. This will cause the escape function to
;;; be deleted (although not removed from the DFO.) The escape
;;; function is no longer needed, and we don't want to emit code
;;; function reference. This will cause the escape function to
;;; be deleted (although not removed from the DFO.) The escape
;;; function is no longer needed, and we don't want to emit code