anchor.diff:  
   (asdf:defsystem :cxml-dom
       :default-component-class closure-source-file
  -    :pathname #+asdf2 "dom/"
  -              #-asdf2 (merge-pathnames
  -                       "dom/"
  -                       (make-pathname :name nil :type nil :defaults *load-truename*))
  +    :pathname "dom/"
       :components
       ((:file "package")
        (:file rune-impl :pathname "dom-impl" :depends-on ("package"))
  
positive.code: 
  (asdf:defsystem :cxml-klacks
      :default-component-class closure-source-file
      :pathname #+asdf2 "klacks/"
                #-asdf2 (merge-pathnames
                         "klacks/"
                         (make-pathname :name nil :type nil :defaults *load-truename*))
      :serial t
      :components
      ((:file "package")
  
negative.code: 
  (asdf:defsystem :cxml-xml
      :default-component-class closure-source-file
      :pathname "xml/"
      :components
      ((:file "package")
       (:file "util"            :depends-on ("package"))
  