anchor.diff:                                    (htree:current history))))
              (tree-style
                (cl-css:css
  -              '((* :margin 0
  +              '((body
  +                 :line-height "initial")
  +                (* :margin 0
                      :padding 0
                      :list-style "none")
                   ("ul li"
  
positive.code:                  :top "12px"))))
             (content (markup:markup
                       (:body (:h1 "History")
                              (:style (markup:raw tree-style))
                              (:div (markup:raw
                                     (markup:markup*
  
negative.code:                  :content "' '"
                   :position "absolute"
                   :width "1px"
                   :background-color "#000"
                   :top "5px"
                   :bottom "-12px"
                   :left "-10px")
  