[%-# Create a 'Table of Contents' section, if there are more than one
   # sections
   #
   # Expected args:
   # toc - an array ref with keys: link, title, abstract, subs
   #       (subs is optional and includes a similar array)
-%]
[%- IF toc.size && toc.0.title -%]

    <h3>Table of Contents</h3>
    <div class="toc">
        [%- INCLUDE page_toc_section subs=toc -%]
    </div>

[%- ELSE -%]

    <br>
[%- END -%]