((output
  (((f.ml (1 0) (1 19))
    (@before foo
     ((f.ml (1 12) (1 19))
      (paragraph
       (((f.ml (1 12) (1 15)) (word bar)) ((f.ml (1 15) (1 16)) space)
        ((f.ml (1 16) (1 19)) (word baz)))))))))
 (warnings ()))
