  <code>OrderedCollection</code> are not instances
        of <code>OrderedCollectionPage</code>, a consumer will have
        no reliable means of reconstructing the appropriate ordering of items.
      </p>

      </section>

    </section>

    <section id="naturalLanguageValues">

      <h2>Natural Language Values</h2>

      <p>
        Several properties defined by the
        <a href="https://www.w3.org/TR/activitystreams-vocabulary/">Vocabulary</a> are defined
        as having natural language valu