((output
  (((f.ml (1 0) (1 21))
    (paragraph
     (((f.ml (1 0) (1 21))
       (link foo
        (((f.ml (1 8) (1 20)) (emphasis (((f.ml (1 16) (1 19)) (word baz)))))))))))))
 (warnings
  ( "File \"f.ml\", line 1, characters 8-20:\
   \n'{{:...} ...}' (external link) is not allowed in '{{:...} ...}' (external link).")))
