ref: 02eaddc2fbe92c26e67d9f82dd9aabecbbf2106c
dir: /tpl/tplimpl/embedded/templates/shortcodes/param.html/
{{- $name := (.Get 0) -}} {{- with $name -}} {{- with ($.Page.Param .) }}{{ . }}{{ else }}{{ errorf "Param %q not found: %s" $name $.Position }}{{ end -}} {{- else }}{{ errorf "Missing param key: %s" $.Position }}{{ end -}}