{# A heading spans every fragment of its level in a row: one <hN> around them all. #}
{% for frag in text.text_fragments %}
{% set lvl = frag.header_level %}
{% set opens = lvl > 0 and (loop.first or loop.previtem.header_level != lvl) %}
{% set closes = lvl > 0 and (loop.last or loop.nextitem.header_level != lvl) %}
{% if opens %}<h{{ lvl }}>{% endif %}
{%- if frag.text in ['\n', '\r\n'] %}<br>
{% else %}
{%- if frag.link_url %}<a href="{{ frag.link_url }}">{% endif -%}
{%- if frag.style.bold %}<strong>{% endif -%}
{%- if frag.style.italic %}<em>{% endif -%}
{%- if frag.style.underline %}<u>{% endif -%}
{{- frag.text -}}
{%- if frag.style.underline %}</u>{% endif -%}
{%- if frag.style.italic %}</em>{% endif -%}
{%- if frag.style.bold %}</strong>{% endif -%}
{%- if frag.link_url %}</a>{% endif -%}
{%- endif %}
{%- if closes %}</h{{ lvl }}>
{% endif %}
{% endfor %}