{% assign entries_with_categories = "" | split:"" %}
{% for entry in site[include.kind] %}
  {% if entry.lang == page.lang %}
    {% if entry.eu_categories %}
      {% assign entries_with_categories = entries_with_categories | push:entry %}
    {% endif %}
  {% endif %}
{% endfor %}
{% assign entries_with_categories = entries_with_categories | reverse %}

{% assign categories = "" | split:"" %}
{% for entry in entries_with_categories %}
  {% assign entry_categories = entry.eu_categories | split:"," %}
  {% for entry_category in entry_categories %}
    {% assign categories = categories | push:entry_category %}
  {% endfor %}
{% endfor %}

{% assign unique_categories = categories | sort | uniq %}
{% for category in unique_categories %}
  <h2 id="{{ category }}">
    <a href="#{{ category }}">{{ category }}</a>:
  </h2>
  <ul>
    {% for entry in entries_with_categories %}
      {% assign entry_categories = entry.eu_categories | split:"," %}
      {% for entry_category in entry_categories %}
        {% if category == entry_category %}
          <li>
            <a href="{{ entry.url | relative_url }}">{{ entry.title | escape }}</a> - {% include i18n-date.html date=entry.date %}
          </li>
        {% endif %}
      {% endfor %}
    {% endfor %}
  </ul>
{% endfor %}