{{ $currlink := .RelPermalink }}
{{ $link := printf `href="%s` (substr .RelPermalink 0 -1) }}
{{ $backlinks := slice }}

{{ range .Site.Pages }}
  {{ $found := findRE $link .Content 1 }}

  {{ if and $found .Title (ne $currlink .RelPermalink) }}
    {{ $backlinks = $backlinks | append . }}
  {{ end }}
{{ end }}

{{ with $backlinks }}
  <hr>

  <div class="references">
    <h3>Backlinks</h3>

    <ul>
      {{ range . }}
        <li>
          <a href="{{ .RelPermalink }}">{{ .Title }}</a>
        </li>
      {{ end }}
    </ul>
  </div>
{{ end }}