((output
  (((f.ml (1 0) (1 15))
    (2
     (label
      ((root (f.ml (page f.ml) 00000000000000000000000000000000) f.ml)
       (label foo-bar)))
     (((f.ml (1 3) (1 14))
       (emphasis
        (((f.ml (1 6) (1 9)) (word foo)) ((f.ml (1 9) (1 10)) space)
         ((f.ml (1 10) (1 13)) (word bar))))))))))
 (warnings ()))
