{# output a featured image for an article #}
{% macro fi(pic, link='', alt='', title='', credit='', credit_link='') %}
{% if not link %}{% set link = pic %}{% endif %}
{% endmacro %}
{# output a card image #}
{% macro ci(pic, link='', alt='', title='', credit='', credit_link='') %}
{% if not link %}{% set link = pic %}{% endif %}