loops/knowledge/knowledge_macros.pt

<metal:listing define-macro="requirements">
  <div>
    <h3 tal:attributes="class string:content-$level;
                        ondblclick item/openEditWindow">
      <span i18n:translate="">Concept</span>:
      <span tal:content="item/title">Title</span>
    </h3>
    <metal:listing define-macro="requirementslisting2">
      <div tal:attributes="class string:content-$level;
                           ondblclick python: item.openEditWindow('configure.html')">
        <h4>Requirements</h4>
        <table class="listing">
          <tr>
           <th i18n:translate="">Requirement</th>
           <th i18n:translate="">Providers</th>
          </tr>
          <tr tal:repeat="related item/myKnowledgeProvidersForTask">
            <td>
              <a href="#"
                  tal:attributes="href string:${view/url}/.target${related/required/uniqueId}"
                  tal:content="related/required/title">Concept Title</a>
            </td>
            <td>
              <tal:provider repeat="prov related/providers">
                <a href="#"
                   tal:attributes="href string:${view/url}/.target${prov/uniqueId}"
                    tal:content="prov/title">Provider Title</a>
              </tal:provider>
            </td>
          </tr>
        </table>
      </div>
    </metal:listing>
  </div>
</metal:listing>