activity, associating actionable information
      with various types of objects, communicating or recording activity logs,
      or delegation of potential actions to other applications.
    </p>

    <p>
      The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
      "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
      document are to be interpreted as described in [[!RFC2119]].
    </p>

    <section id="swp" class="informative">

      <h2>Relationship to Other Soci