{% if not sub.sub.is_event %}
{% if sub.sub.type == 3 %}
Aufsicht
{% elif not sub.sub.subject_new and not sub.sub.subject_old %}
{% elif sub.sub.type == 1 or sub.sub.type == 2 %}
{{ sub.sub.subject_old.shortcode }}
{% elif sub.sub.subject_new and sub.sub.subject_old %}
{{ sub.sub.subject_old.shortcode }} →
{{ sub.sub.subject_new.shortcode }}
{% elif sub.sub.subject_new and not sub.sub.subject_old %}
{{ sub.sub.subject_new.shortcode }}
{% else %}
{{ sub.sub.subject_old.shortcode }}
{% endif %}
{% endif %}