{# This is required by insert_above #}
{% insert_handler %}
MySlice - slice page with python var foo = {{ foo }}
{# This is where insert_str will end up #}
{% media_container prelude %}
{# let's add this one no matter what #}
{% insert_str prelude "css/miscell.css" %}
{% block menu %} {% endblock %}
{% block left %}
{{ left|default:"The left area" }}
{% endblock %}
{% block main %}
Again, python var foo = {{ foo }}
{{ main }}
{% block content %} and more stuff if needed {% endblock %}
{% endblock %}