From c8e9bf3de7bd56c7c15156a9c137c9f196fb123e Mon Sep 17 00:00:00 2001
From: Quincy Morgan <quincy.morgan@icloud.com>
Date: Thu, 27 Feb 2020 15:18:31 -0800
Subject: [PATCH] Account for empty string tag values in utilTagDiff (re:
 #7363)

---
 modules/util/util.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/util/util.js b/modules/util/util.js
index 84204680d..71815cef4 100644
--- a/modules/util/util.js
+++ b/modules/util/util.js
@@ -21,7 +21,7 @@ export function utilTagDiff(oldTags, newTags) {
         var oldVal = oldTags[k];
         var newVal = newTags[k];
 
-        if (oldVal && (!newVal || newVal !== oldVal)) {
+        if (oldVal && (newVal === undefined || newVal !== oldVal)) {
             tagDiff.push({
                 type: '-',
                 key: k,
@@ -30,7 +30,7 @@ export function utilTagDiff(oldTags, newTags) {
                 display: '- ' + k + '=' + oldVal
             });
         }
-        if (newVal && (!oldVal || newVal !== oldVal)) {
+        if (newVal && (oldVal === undefined || newVal !== oldVal)) {
             tagDiff.push({
                 type: '+',
                 key: k,