{{- $src := .Get 0 -}}
{{- with resources.Get $src -}}
{{- /* A fenced block, so the theme's code block hook applies. */ -}}
{{ $.Page.RenderString (dict "display" "block") (printf "```toml\n%s\n```" .Content) }}
{{- else -}}
{{- errorf "toml-file shortcode: file not found: %q" $src -}}
{{- end -}}