anchor.diff:     #:make-doctype
      #:make-fulltext-element
      #:make-xml-header
  +   #:make-cdata
      #:clear
      #:siblings
      #:family
  
positive.code:    #:doctype
     #:fulltext-element
     #:xml-header
     #:make-child-array
     #:make-attribute-map
     #:make-root
  
negative.code:    #:decode-entities)
    ;; lexer.lisp
    (:export
     #:*string*
     #:*length*
     #:*index*
     #:with-lexer-environment
     #:consume
     #:advance
  