{% for cat, articles in categories|sort %} {% if (article and article.category == cat) or category == cat %}
• {{ cat | upper }}
  {% for art in articles | sort(attribute="date") %} {% if article == art %}
  • {{ art.title }}
  {% else %}
  • {{ art.title }}
  {% endif %} {% endfor %}
{% else %}
• {{ cat | upper }} {% endif %} {% endfor %}