{% assign author = page.by -%} {% if page.categories contains 'project' -%} {% assign projects = site.projects | where_exp: "project", "page.tags contains project.tag" -%} {% for project in projects -%} {% if page.tags contains project.tag -%} {% capture author %}{%for c in project.contact %} {{c}}{% if forloop.last != true %},{% endif %}{% endfor %}{% endcapture %} {% endif -%} {% endfor -%} {% endif -%} {% if author and author != '' -%} Von {{author}} {% else -%} Chaotikum e.V. {% endif -%}