{% load i18n %}
{% if categories %}
<h3>{% trans 'Categories' context 'Post categories' %}</h3>
<ul class="weblog-categories">
    {% for category in categories %}
    <li><a href="{% url 'weblog:CategoryIndex' category_slug=category.slug %}" {% if category.slug == selected_cat_slug %}class="active"{% endif %}>
        {{ category.name }}
        </a></li>
    {% endfor %}
</ul>
{% endif %}