{{- $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 -}}
{{- with $.Page.File.Filename -}}
{{- $warningText := slice
    "Deprecated param shortcode detected."
    "The Kubernetes website does not / should not use param shortcodes."
    ( printf "Check %q" ( replaceRE "^/src/" "" .  ) ) -}}
    {{- if and (eq $.Site.LanguagePrefix "") (ne $name "version" ) -}}
    {{- warnf (delimit $warningText " " ) -}}
    {{- end -}}
{{- end -}}