((output
  (((f.ml (1 0) (1 11)) (@author foo))
   ((f.ml (2 0) (2 14)) (modules ((root Foo unknown))))))
 (warnings
  ( "File \"f.ml\", line 2, characters 0-14:\
   \n'{!modules ...}' is not allowed in the tags section.\
   \nSuggestion: move '{!modules ...}' before any tags.")))
