{% capture workspace %}

  {% assign min = include.min | default: 2 %}
  {% assign max = include.max | default: 3 %}
  {% assign nodes = include.html | strip | split: '<h' %}
  {% for node in nodes %}
    {% if node == '' or node contains 'omit-in-toc' %}{% continue %}{% endif %}

    {% assign level = node | slice: 0, 1 | to_integer %}
    {% if level < min or max < level %}{% continue %}{% endif %}

    {% assign title = node | split: '</h'| first | split: 'id="' | shift | join: '' | split: '"' | first %}
    {% if title == '' or title == nil %}{% continue %}{% endif %}

    {% if output == nil %}
      {% assign min = level %}
      {% assign id = include.id | default: 'toc' %}
      {% assign class = include.class | default: 'toc' %}
      {% capture output %}<{% if include.ordered %}ol{% else %}ul{% endif %}{% endcapture %}
      {% capture output %}{{ output }} id="{{ id }}" class="{{ class }}">{% endcapture %}
    {% elsif lastLevel < level %}
      {% assign sub = include.sub | default: 'toc-sub-%level%' %}
      {% assign subLevel = level | minus: 1 %}
      {% capture output %}{{ output }}<{% if include.ordered %}ol{% else %}ul{% endif %}{% endcapture %}
      {% capture output %}{{ output }} class="{{ sub | replace: '%level%', subLevel }}">{% endcapture %}
    {% elsif level < lastLevel %}
      {% assign count = lastLevel | minus: level %}
      {% for index in (1..count) %}
        {% capture output %}{{ output }}</li>{% if include.ordered %}</ol>{% else %}</ul>{% endif %}{% endcapture %}
      {% endfor %}
      {% capture output %}{{ output }}</li>{% endcapture %}
    {% else %}
      {% capture output %}{{ output }}</li>{% endcapture %}
    {% endif %}

    {% capture a_body_temp %}{{ node | split: '</h' | first }}{% endcapture %}
    {% capture a_body_prev %}{{ a_body_temp | split: '>' | first }}>{% endcapture %}
    {% capture a_body %}{{ a_body_temp | replace: a_body_prev, '' }}{% endcapture %}
    {% capture a_class %}{{ include.a | default: 'toc-a' }}{% endcapture %}
    {% capture a_href %}{{ include.base | default: '' }}#{{ title }}{% endcapture %}
    {% capture a %}<a class="{{ a_class }}" href="{{ a_href }}">{{ a_body | strip_html }}</a>{% endcapture %}
    {% capture liClass %}{{ include.li | default: 'toc-li-%level%' | replace: '%level%', level }}{% endcapture %}
    {% capture output %}{{ output }}<li class="{{ liClass }}">{{ a }}{% endcapture %}

    {% assign lastLevel = level %}
  {% endfor %}

  {% assign count = lastLevel | minus: min | plus: 1 %}
  {% for index in (1..count) %}
    {% capture output %}{{ output }}</li>{% if include.ordered %}</ol>{% else %}</ul>{% endif %}{% endcapture %}
  {% endfor %}

{% endcapture %}{{ output }}