diff --git a/node_modules/jquery/src/manipulation/var/rtagName.js b/node_modules/jquery/src/manipulation/var/rtagName.js
new file mode 100644
index 0000000..7435620
--- /dev/null
+++ b/node_modules/jquery/src/manipulation/var/rtagName.js
@@ -0,0 +1,8 @@
+define( function() {
+	"use strict";
+
+	// rtagName captures the name from the first start tag in a string of HTML
+	// https://html.spec.whatwg.org/multipage/syntax.html#tag-open-state
+	// https://html.spec.whatwg.org/multipage/syntax.html#tag-name-state
+	return ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
+} );