wp-includes/Requests/src/IdnaEncoder.php:154Prepare a text string for use as an IDNA name
$textstringstring protected static function nameprep($text) { return $text; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/Requests/src/IdnaEncoder.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.