{% macro definition_table(source) %}
<table>
  <tbody>
  {% for entry in source -%}
  <tr>
    <td><code>{{ entry.dt | safe }}</code></td>
    <td>{{ entry.dd | safe }}</td>
  </tr>
  {% if entry.definitions -%}
  <tr>
    <td colspan="2" class="sub-definition">{{ self::definition_table(source=entry.definitions) }}</td>
  </tr>
  {%- endif %}
  {% endfor %}
  </tbody>
</table>
{% endmacro %}