Activity Streams are JSON Documents and are subject to the same
    security considerations described in [[!RFC7159]].
  </p>

  <p>
    Activity Streams implementations handle URIs.  See Section 7 of
    [[!RFC3986]].
  </p>

  <p>
    Activity Streams implementations handle IRIs.  See Section 8 of
    [[!RFC3987]].
  </p>

  </section>

  <section id="iana">

    <h2>IANA Considerations</h2>

    <section id="media-type">
      <h2>The <code>application/activity+json</code> Media Type</h2>

      <p>
    