menus/templates/menu/menu.html
{% load menu_tags %}
{% for child in children %}
<li class="child{% if child.selected %} selected{% endif %}{% if child.ancestor %} ancestor{% endif %}{% if child.sibling %} sibling{% endif %}{% if child.descendant %} descendant{% endif %}">
<a href="{{ child.attr.redirect_url|default:child.get_absolute_url }}">{{ child.get_menu_title }}</a>
{% if child.children %}
<ul>
{% show_menu from_level to_level extra_inactive extra_active template "" "" child %}
</ul>
{% endif %}
</li>
{% endfor %}