anchor.diff:    (:use #:asdf #:cl)
   
     (:export
  +   #:format*
  +   #:with-gensym
  +
      #:file-name
      #:file-designator
   
  
positive.code:    #:component-condition
     #:component-condition-component
  
     #:component-container-condition
     #:component-container-condition-container
  
     #:module-component-absent
     #:system-not-found
  
     #:find-component*
     #:find-system*
    )
    )
  
  
negative.code:    #:simple-program-error
  
     #:with-safe-frefs
  
     #:call-next-method*
     )
  
    #+ASDF
  