{% macro get_subject() -%} [Indico] {% block subject %}{% endblock %} {%- endmacro %} {% macro get_body(footer) %} {{ get_html_body() }} {% endmacro %} {% macro get_html_body() %} {%- block header %} {% block header_content %} Dear {% block header_recipient %}{% endblock %}, {% endblock %}

{% endblock %} {% block body %}{% endblock %} {% block footer %}

{% block footer_content %}
Indico :: {% block footer_title %}Email Notifier{% endblock %}
{% endblock %} {% endblock %} {% endmacro %}