diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/js/wp-ajax-response.js
--- a/wp/wp-includes/js/wp-ajax-response.js	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-includes/js/wp-ajax-response.js	Mon Oct 14 18:28:13 2019 +0200
@@ -1,4 +1,10 @@
-var wpAjax = jQuery.extend( {
+/**
+ * @output wp-includes/js/wp-ajax-response.js
+ */
+
+ /* global wpAjax */
+
+window.wpAjax = jQuery.extend( {
 	unserialize: function( s ) {
 		var r = {}, q, pp, i, p;
 		if ( !s ) { return r; }