     </p>

      <p>
        The <a href="https://www.w3.org/TR/activitystreams-vocabulary/">Activity Vocabulary</a>
        defines three properties that use natural language values:
        <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-name">name</a></code>,
        <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-summary">summary</a></code>, and
        <code><a href="https://www.w3.org/TR/activitystreams-vocabulary/#dfn-content">content</a></code>.
        Acco