+{{ grouptitle }}
  
    {% if include.data_collection %}
      {% for item in group.items %}
        {% for collectionitem in include.data_collection %}
        {% if collectionitem.docid == item.id %}
          {% assign groupitem = collectionitem %}
          {% include nav/collection_nav_group_item.html %}
        {% endif %}
        {% endfor %}
      {% endfor %}
    {% else %}
      {% for groupitem in groupitems %}
      {% include nav/collection_nav_group_item.html %}
      {% endfor %}
    {% endif %}