((output
  (((f.ml (1 0) (1 4))
    (paragraph (((f.ml (1 0) (1 4)) (bold (((f.ml (1 2) (1 3)) (word ]))))))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 2-3:\
   \nUnpaired ']' (end of code).\
   \nSuggestion: try '\\]'."
    "File \"f.ml\", line 1, characters 0-2:\
   \n'{b' should be followed by space, a tab, or a new line.")))
