{{ if and (not (in (slice "section" "home") .Kind)) (not .Content) (ne .Params.type "external-link") (ne .Params.build.render "always") }}
  {{- $reset := "\033[0m" -}}
  {{- $code := "\033[36m" -}}
  {{- $msg := print
    "Page %q has empty " $code ".Content" $reset ". If this is a headless file, consider adding build options to the parent " $code "_index.md" $reset " or the file itself to prevent it from being rendered. "
    "Otherwise, add " $code "build.render: always" $reset " to the file."
  -}}
  {{ errorf $msg .Path }}
{{ end }}