check that the value returned is an url. This effectively close bug #13, but really is a hack where the value should be tested to belong to a given thesaurus.
{% extends "admin:admin/index.html" %}
{% load i18n %}
{% if not is_popup %}
{% block breadcrumbs %}
<div class="breadcrumbs">
<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
›
{% for app in app_list %}
{% blocktrans with app.name as name %}{{ name }}{% endblocktrans %}
{% endfor %}
</div>
{% endblock %}
{% endif %}
{% block sidebar %}{% endblock %}