((output
  (((f.ml (1 0) (1 7))
    (paragraph
     (((f.ml (1 0) (1 7)) (bold (((f.ml (1 3) (1 6)) (word Foo))))))))
   ((f.ml (2 0) (2 7))
    (paragraph
     (((f.ml (2 0) (2 7)) (bold (((f.ml (2 3) (2 6)) (word Bar))))))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 0-7:\
   \nHeadings not allowed in this comment."
    "File \"f.ml\", line 2, characters 0-7:\
   \nHeadings not allowed in this comment.")))
