anchor.diff:  
   |#
   
  -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  -;;; Packages
  -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  -
  -(cl:defpackage #:lisp-unit
  -  (:use #:common-lisp)
  -  (:export #:define-test #:run-all-tests #:run-tests
  -           #:assert-eq #:assert-eql #:assert-equal #:assert-equalp
  -           #:assert-error #:assert-expands #:assert-false 
  -           #:assert-equality #:assert-prints #:assert-true
  -           #:fail
  -           #:get-test-code #:get-tests
  -           #:remove-all-tests #:remove-tests
  -           #:logically-equal #:set-equal #:unordered-equal
  -           #:use-debugger
  -           #:with-test-listener)
  -  )
  -
  -(in-package #:lisp-unit)
  -
  +(in-package :tap-unit-test)
   
   ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
   ;;; Globals
  
positive.code: 
  2. Load this file.
  
  2. (use-package :lisp-unit)
  
  3. Load your code file and your file of tests.
  
  
negative.code: How to use
  ----------
  
  1. Read the documentation in lisp-unit.html, at
  http://www.cs.northwestern.edu/academics/courses/325/readings/lisp-unit.html
  
  2. Make a file of DEFINE-TEST's. See exercise-tests.lisp for many
  examples. If you want, start your test file with (REMOVE-TESTS) to
  