{% for section, _ in sections.items() %}
{% set title_prefix = underlines[0] %}
{% if section %}
{{ title_prefix }} {{ section }}
{% set title_prefix = underlines[1] %}
{% endif %}

{% if sections[section] %}
{% for category, val in definitions.items() if category in sections[section] %}
{{ title_prefix }} {{ definitions[category]['name'] }}
{% if definitions[category]['showcontent'] %}

{% for text, values in sections[section][category].items() %}
* {{ text }}
  ({{ values|join(',\n  ') }})
{% endfor -%}

{% else %}
* {{ sections[section][category]['']|join(', ') }}
{% endif %}

{% if sections[section][category]|length == 0 %}
No significant changes.
{% endif %}
{% endfor %}

{% else %}
No significant changes.
{% endif %}
{% endfor %}