From a9afa24428444b70c2ebdf693a3aa9e4a9318135 Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 2 Mar 2017 11:38:20 +0100
Subject: [PATCH] return empty string instead of blowing up when fixing HTML

---
 www/common/cryptpad-common.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/www/common/cryptpad-common.js b/www/common/cryptpad-common.js
index 80b366766..907d9f612 100644
--- a/www/common/cryptpad-common.js
+++ b/www/common/cryptpad-common.js
@@ -164,6 +164,7 @@ define([
     var isArray = common.isArray = $.isArray;
 
     var fixHTML = common.fixHTML = function (str) {
+        if (!str) { return ''; }
         return str.replace(/[<>&"']/g, function (x) {
             return ({ "<": "&lt;", ">": "&gt", "&": "&amp;", '"': "&#34;", "'": "&#39;" })[x];
         });