(rule
 (targets skip.ml)
 (deps
  (:x skip.md)
  (package mdx))
 (action
  (with-stdout-to
   %{targets}
   (run ocaml-mdx pp %{x}))))

(rule
 (alias runtest)
 (deps
  (:x skip.ml)
  (:y skip.ml.expected))
 (action
  (diff? %{y} %{x})))
