{{ $dateFormat := default "January 2, 2006" .Site.Params.BookDateFormat }}
{{ if or .Date .Params.tags }}
<div>
{{ with .Date}}
  <h5>{{ .Format $dateFormat }}</h5>
{{ end }}

{{ range $term, $_ := .Site.Taxonomies }}
  {{ with $list := index $.Params $term }}
    {{ range $n, $single := $list }}{{ if $n }}, {{ end -}}
      <a href="/{{$term}}/{{$single}}/">{{ $single }}</a>
    {{- end }}
    <br />
  {{ end }}
{{ end }}

</div>
{{ end }}