{%- if prelude -%}
<script src="{{ url_for('components.get_prelude') }}" > </script>
<script> $C._url = "{{ url_for('components.index') }}"; </script>
{%- endif -%}
<script type="text/javascript" name="setversions"> $C.set_versions({{ versions | safe }}); </script>
{%- if html -%}
{{ html | safe }}
{%- endif -%}
{{ postfix }}