{{ $re := $.File.BaseFileName }}
{{ $backlinks := slice }}
{{ range .Site.AllPages }}
   {{ if and (findRE $re .RawContent) (not (eq $re .File.BaseFileName)) }}
      {{ $backlinks = $backlinks | append . }}
   {{ end }}
{{ end }}

{{ if gt (len $backlinks) 0 }}
  <div class="bl-section">
    <h4>🔗反向链接</h4>
    <div class="backlinks">
      <ul>
       {{ range $backlinks }}
          <li><a href="{{ .RelPermalink }}">{{ .Title }}</a></li>
       {{ end }}
     </ul>
    </div>
  </div>
{{ end }}