{% comment %} Inserts the (academic) title of a person. Assumes that there is a variable "person" already defined. It holds a key "title" and an associated value which is pasted here and all spaces are replaced by   If the key is not present, an informative HTML comment will be inserted. {% endcomment %} {% assign person = include.person %} {% if person %} {% if person.title %} {{ person.title | replace: " ", " " }} {% else %} {% endif %} {% else %} {% endif %}