{% comment %} Inserts the position description of a person. Assumes that there is a variable "person" already defined. It holds a key "position" and an associated value which is pasted here verbatim. If the key is not present, an informative HTML comment will be inserted. {% endcomment %} {% assign person = include.person %} {% if person %} {% if person.position %} {{ person.position }} {% else %} {% endif %} {% else %} {% endif %}