layouts/shortcodes/section.html

{{- $var := .Get 0 }}
{{- if .IsNamedParams }}
<section {{ with .Get "class" }} class="{{ . }}"{{ end }}{{ with .Get "id" }} id="{{ . }}"{{ end }}{{ with .Get "role" }} role="{{ . }}"{{ end }}>
{{- else if or (eq $var "") (eq $var "begin") }}
<section>
{{- else if eq $var "end" }}
</section>
{{- else if eq $var "break" }}
</section>
<section>
{{- end }}