{{- $cats := .Page.Params.categories }}
{{- $symbols := dict "news" "🗞️" "presentation" "🎤" "podcast" "🎧" }}
{{- $selection := "" }}
{{- range $cat := $cats }}
  {{- with index $symbols $cat }}
    {{- $selection = (printf "%s  " .) | safeHTML }}
  {{- end }}
{{- end }}
{{- return $selection }}