From 8576e24bfe3fce886bcb63ebc24ee16b3fa1a6a1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20Go=C5=82e=CC=A8biowski?= <m.goleb@gmail.com>
Date: Wed, 10 Apr 2013 20:46:31 +0200
Subject: [PATCH] Tell uglifyjs to not mangle undefined; saves 44 bytes. Fixes
 #13759. Close gh-1239.

---
 Gruntfile.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Gruntfile.js b/Gruntfile.js
index e753a35cb..1b13c277d 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -115,6 +115,10 @@ module.exports = function( grunt ) {
 					sourceMap: "dist/jquery.min.map",
 					beautify: {
 						ascii_only: true
+					},
+					mangle: {
+						// saves some bytes when gzipped
+						except: [ "undefined" ]
 					}
 				}
 			}
-- 
2.39.5