github.com/shohhei1126/hugo@v0.42.2-0.20180623210752-3d5928889ad7/docs/layouts/shortcodes/asciicast.html (about)

     1  {{ $id := .Get 0 }}
     2  <script type="text/javascript" src="https://asciinema.org/a/{{ $id }}.js" id="asciicast-{{ $id }}" data-rows="10" async></script>