((output
  (((f.ml (1 0) (1 29))
    (paragraph
     (((f.ml (1 0) (1 29)) (code_span constructor-Foo.module-Bar)))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 2-17:\
   \nExpected 'module-', 'module-type-', or an unqualified reference.")))
