{{- /*
  Local replacement for Hugo's built-in `gist` shortcode, which was
  deprecated in v0.143.0. Same call signature:

    {{< gist USERNAME GIST_ID [FILE] >}}

  Embeds a GitHub gist via its JS include. The optional third argument
  scopes the embed to a single file within the gist.
*/ -}}
<script type="application/javascript" src="https://gist.github.com/{{ index .Params 0 }}/{{ index .Params 1 }}.js{{ with .Get 2 }}?file={{ . }}{{ end }}"></script>