{# Reusable table macro: render a list of records (dicts) as an HTML table.
   Keys of the first record become the column headings; numeric cells are right-
   aligned. Used for every tabular section of the report, so one definition serves
   both the contents list and the revisions data. #}
{% macro render_table(rows, caption=None) -%}
{% if rows %}
<div class="table-wrap">
  <table>
    {% if caption %}<caption>{{ caption }}</caption>{% endif %}
    <thead>
      <tr>{% for key in rows[0].keys() %}<th>{{ key }}</th>{% endfor %}</tr>
    </thead>
    <tbody>
      {% for row in rows %}
      <tr>
        {% for value in row.values() %}
        <td{% if value is number %} class="num"{% endif %}>{{ value if value is not none else "" }}</td>
        {% endfor %}
      </tr>
      {% endfor %}
    </tbody>
  </table>
</div>
{% else %}
<p><em>No data.</em></p>
{% endif %}
{%- endmacro %}