{# output a featured image #}
{% macro fi(pic, link='', alt='', title='', credit='', credit_link='') %}
<div class="featured-image">
  <figure>
    {% if link %}<a href="{{ link }}"{% if title %} title="{{ title }}"{% endif %}>{% endif %}<img class="image-process-featured" src="{{ pic }}"{% if alt %} alt="{{ alt }}"{% endif %}/>{% if link %}</a>{% endif %}
    {% if credit %}<figcaption>{% if credit_link %}<a href="{{ credit_link }}" alt="Bildquelle: {{ credit }}" target="_blank">{% endif %}{{ credit }}{% if credit_link %}</a>{% endif %}</figcaption>{% endif %}
  </figure>
</div>
{% endmacro %}

{# output a card image #}
{% macro ci(pic, link='', alt='', title='', credit='', credit_link='') %}
<div class="card-image">
  <figure>
    {% if link %}<a href="{{ link }}"{% if title %} title="{{ title }}"{% endif %}>{% endif %}<img class="image-process-card" src="{{ pic }}"{% if alt %} alt="{{ alt }}"{% endif %}/>{% if link %}</a>{% endif %}
    {% if credit %}<figcaption>{% if credit_link %}<a href="{{ credit_link }}" alt="Bildquelle: {{ credit }}" target="_blank">{% endif %}{{ credit }}{% if credit_link %}</a>{% endif %}</figcaption>{% endif %}
  </figure>
</div>
{% endmacro %}

{# split long string (e.g. Klappentext) into paragraphs and output them as <p> elements #}
{% macro kt(text) %}
{% for k in text.strip().split("\n\n") | list %}<p>{{ k }}</p>{% endfor %}
{% endmacro %}