{% for comment in comment_list|fill_tree|annotate_tree %}
{% ifchanged comment.parent_id %}{% else %}{% endifchanged %}
{% if not comment.open and not comment.close %}{% endif %}
{% if comment.open %}
{% endif %}
{% render_comment comment %}
{% for close in comment.close %}
{% endif %}-
{% render_comment comment %}
{% for close in comment.close %}
{% endfor %} {% endfor %}