--- a/wp/wp-includes/class-wp-text-diff-renderer-table.php	Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/class-wp-text-diff-renderer-table.php	Fri Sep 05 18:52:52 2025 +0200
@@ -7,6 +7,11 @@
  * @since 4.7.0
  */
 
+// Don't load directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	die( '-1' );
+}
+
 /**
  * Table renderer to display the diff lines.
  *