ref: 329e88db1f6d043d32c7083570773dccfd4f11fc
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 -}}