return str_replace("\n", PHP_EOL, <<<'EOL'
<!-- Namespace: http://example.org/schema/dic/acme_root -->
<!-- scalar-required: Required -->
+<!-- scalar-deprecated: Deprecated (The child node "scalar_deprecated" at path "acme_root" is deprecated.) -->
+<!-- scalar-deprecated-with-message: Deprecated (Deprecation custom message for "scalar_deprecated_with_message" at "acme_root") -->
<!-- enum-with-default: One of "this"; "that" -->
<!-- enum: One of "this"; "that" -->
<config
scalar-array-empty=""
scalar-array-defaults="elem1,elem2"
scalar-required=""
+ scalar-deprecated=""
+ scalar-deprecated-with-message=""
node-with-a-looong-name=""
enum-with-default="this"
enum=""