{% comment %}
  One date, rendered at the precision stored (FR-013): a range keeps both ends, a single
  date keeps its own partial precision, and a date the store only holds as free text falls
  back to that. Included by both the catalogue row and the reference page so the two cannot
  drift apart (RC-002).
{% endcomment %}
{% if item_date.end %}{{ item_date.begin }} – {{ item_date.end }}{% elif item_date.begin %}{{ item_date.begin }}{% elif item_date.literal %}{{ item_date.literal }}{% endif %}