{% for name, slug in related.tags.author %}
<a href="{% tag_url 'author' slug %}">{{ name }}</a>{% if not forloop.last %},
{% endif %}{% endfor %}{% for title, slug in related.parents %},
{% for name, slug in related.tags.author %}
<a href="{% tag_url 'author' slug %}">{{ name }}</a>{% if not forloop.last %},
{% endif %}{% endfor %}{% for title, slug in related.parents %},