{{- $this := $.Page -}}
{{- $pages := where .Site.RegularPages "Params.pageid" "eq" (.Get "pid") -}}
{{- $frag := .Get "id" -}}
{{- $fragsep := "" -}}
{{- if ne $frag "" -}}{{- $fragsep = "#" -}}{{- end -}}
{{- $inner := .Inner -}}
{{- range $pages -}}
  {{- $url := printf "%s%s%s" .Permalink $fragsep $frag -}}
  {{- $text := or $inner .Title -}}
  <a id="{{ $text | anchorize }}"
     href="{{ $url }}">{{ $text | markdownify }}</a>
  {{- .Scratch.SetInMap "backlinks" (anchorize $text) $this -}}
{{- end -}}