{{ if not (.Page.Scratch.Get "katex") }}
<!-- Include katext only first time -->
<link rel="stylesheet" href="{{ index .Site.Data.assets "katex.min.css" | relURL }}" />
<script defer src="{{ index .Site.Data.assets "js/katex.min.js" | relURL }}"></script>
<script defer src="{{ index .Site.Data.assets "js/auto-render.min.js" | relURL }}"></script>
<script defer src="{{ index .Site.Data.assets "js/katex-loader.min.js" | relURL }}"></script>
{{ .Page.Scratch.Set "katex" true }}
{{ end }}

<span class="gdoc-katex katex{{ with .Get "class" }} {{ . }}{{ end }}">
  {{ cond (in .Params "display") "\\[" "\\(" -}}
  {{- trim .Inner "\n" -}}
  {{- cond (in .Params "display") "\\]" "\\)" }}
</span>