From 499ef160137c8f4ef554a625a0a205777b78fc3a Mon Sep 17 00:00:00 2001
From: Indrek Ardel <indrek@ardel.eu>
Date: Thu, 7 Sep 2017 14:48:35 +0300
Subject: [PATCH] Default re-used element class name to empty string

---
 src/text-editor-component.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/text-editor-component.js b/src/text-editor-component.js
index c34a58dad..8bdca834f 100644
--- a/src/text-editor-component.js
+++ b/src/text-editor-component.js
@@ -4309,7 +4309,7 @@ class NodePool {
     }
 
     if (element) {
-      element.className = className
+      element.className = className || ''
       element.styleMap.forEach((value, key) => {
         if (!style || style[key] == null) element.style[key] = ''
       })