message: Events: Don't force license
diff: {{ define "main" }}
  -{{ if .Params.license }}
  -{{ $.Scratch.Set "license" .Params.license }}
  -{{ else }}
  -{{ $.Scratch.Set "license" "cc-by-40"}}
  -{{ end }}
  -
  <main>
  <article class="page">
  {{ with .Params.video_url }}
  {{ with .Params.duration }}<div>
  <strong>{{ T "event-duration" }}</strong><br> {{ . }}
  </div>{{ end }}
  - <div><strong>{{ T "license" }} </strong> <a
  - href="{{ T (printf "lic-url-%s" ($.Scratch.Get "license")) }}">{{ T (printf "lic-%s" ($.Scratch.Get "license")) }}</a>
  - <span class="hidden" xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Dataset"
  - property="dct:title" rel="dct:type">{{ .Title }}</span>
  + {{ with $.Params.license }}
  + <div>
  + <strong>{{ T "license" }} </strong> <a href="{{ T (printf "lic-url-%s" $.Params.license) }}">{{ T (printf "lic-%s" $.Params.license) }}</a>
  + <span class="hidden" xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/Dataset" property="dct:title" rel="dct:type">{{ $.Title }}</span>
  </div>
  + {{ end }}
  </div>
  <div id="page-content">
  