{{- if not (.Page.Store.Get "katex") -}}
<!-- Include katex only first time -->
<link rel="stylesheet" href="{{ "katex/katex.min.css" | relURL }}" />
<script defer src="{{ "katex/katex.min.js" | relURL }}"></script>
{{ with resources.Get "katex.json" }}
<script defer src="{{ "katex/auto-render.min.js" | relURL }}" onload="renderMathInElement(document.body, {{ .Content | safeJS }});"></script>
{{ end }}
{{- .Page.Store.Set "katex" true -}}
{{- end -}}

{{- with .Inner }}
<span>\[ {{ . }} \]</span>
{{ end -}}