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