((output
  (((f.ml (1 0) (1 4))
    (paragraph
     (((f.ml (1 0) (1 3)) (word foo)) ((f.ml (1 3) (1 4)) (word ])))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 3-4:\
   \nUnpaired ']' (end of code).\
   \nSuggestion: try '\\]'.")))
