%- unless @page.linked_from.empty? -%>
| Linked from:
<%= @page.linked_from.collect { |referring_page| link_to_existing_page referring_page }.join(", ").html_safe %>
<%- end -%>
<%- unless @page.included_from.empty? -%>
| Included from:
<%= @page.included_from.collect { |referring_page| link_to_existing_page referring_page }.join(", ").html_safe %>
<%- end -%>