((output
  (((f.ml (1 0) (1 11))
    (paragraph
     (((f.ml (1 0) (1 11)) (word @canonical)) ((f.ml (1 0) (1 11)) space)
      ((f.ml (1 0) (1 11)) (code_span "")))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 0-11:\
   \n'@canonical' should not be empty."
    "File \"f.ml\", line 1, characters 11-11:\
   \nExpected a valid path.")))
