anchor.diff:  ;;; DEALINGS IN THE SOFTWARE.
   
   ;;; To run test coverage use:
  -;;; 
  +;;;
   ;;; (progn
   ;;;   (require :sb-cover)
   ;;;   (declaim (optimize sb-cover:store-coverage-data))
  
positive.code: 
  (in-root-suite)
  
  (in-suite (defsuite test))
  
  (deftest test-range ()
    (signals error (range 1 -1))
  
negative.code: 
  ;;; Copyright (c) 2007 Juan M. Bello Rivas <jmbr@superadditive.com>
  ;;;
  ;;; Permission is hereby granted, free of charge, to any person
  ;;; obtaining a copy of this software and associated documentation
  ;;; files (the "Software"), to deal in the Software without
  