{% comment %} If the body doesn't have a class attribute set, don't leave empty class attributes hanging around, please; it's invalid XHTML {% endcomment %}
{% block topbar %} {% if session %}

Logged in as {{ session.person.name }} {% comment %}| Logout{% endcomment %} | Logout

{% else %}

Register or log in:

{% endif %} {% endblock %}
{% block heading %}

Welcome to

{{ systemServiceName }}

{% endblock %}
{% block navigation %} {% endblock %}
{% block content %}

Master content template placeholder … please replace me.

{% endblock %}