unikernel/duniverse/dune_/doc/reference/dune-project/using.rst

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+using
+-----
+
+.. describe:: (using <plugin> <version>)
+
+   Enable a dune language extension.
+
+   The language of configuration files read by Dune can be extended to support
+   additional stanzas (e.g., ``menhir``, ``coq.theory``, ``mdx``).
+
+   `<plugin>` is the name of the plugin that defines this stanza and
+   `<version>` describes the configuration language's version. Note that this
+   version has nothing to do with the version of the associated tool or
+   library. In particular, adding a ``using`` stanza will not result in a build
+   dependency in the generated ``.opam`` file. See :doc:`generate_opam_files`.
+
+   Example:
+
+   .. code:: dune
+
+      (using mdx 0.3)