{% assign actorstub = "ActorDefinition-" | append: actordefinition.id %}
{% assign canonicals = site.data.canonicals | where: 'type' , 'Requirements' %}

This actor fulfills the following requirements:
<ul>
  {% for canonical in canonicals %}
    {% assign stub = canonical.type | append: "-" | append: canonical.id %}
    {% assign requirement = site.data[stub] %}
    {% assign reqactors =  requirement.extension | where: 'url', 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Requirements.actor' %}
    {% for reqactor in reqactors %}
      {% assign reqactorcanonical = reqactor.valueCanonical | split: "/" | last   %}
      {% assign reqactorstub = "ActorDefinition-" | append: reqactorcanonical %}
      {% unless reqactorstub != actorstub %}
        {% assign reqtitle = requirement.extension 
           | where: "url", "http://hl7.org/fhir/5.0/StructureDefinition/extension-Requirements.title"
           | first %}
        <li>{% include requirements-short-summary.liquid requirement=requirement site=site %}</li>
      {% endunless %}
    {% endfor %}
  {% endfor %}
</ul>