{% macro extended_footer() %}
  <div class="rings">
    <details>
      <summary>Webrings</summary>
      <ul>
        {%- for ring in config.extra.webrings -%}
        <li>
          <a href="{{ ring.url }}/prev?referrer={{ get_url(path = "/") | safe }}">&laquo;</a>
          <a href="{{ ring.url }}">{{ ring.name }}</a>
          <a href="{{ ring.url }}/next?referrer={{ get_url(path = "/") | safe }}">&raquo;</a>
        </li>
        {%- endfor -%}
      </ul>
    </details>
  </div>
{% endmacro extended_footer %}