From 38acd01b35401df7d5b25f562c5e387baf504789 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Thu, 16 Apr 2020 16:24:09 +0200
Subject: [PATCH] Fix issues with falsy values

---
 www/code/markers.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/www/code/markers.js b/www/code/markers.js
index c8f89069c..46c8a4a7f 100644
--- a/www/code/markers.js
+++ b/www/code/markers.js
@@ -203,8 +203,11 @@ console.warn(JSON.stringify(toJoin));
                 array[2] += addCh;
                 // If they have no end line, it means end line === start line,
                 // so we also push their end offset
-                if (!array[4] && array[3]) { array[3] += addCh; }
-                else if (array[4] && array[3] === toJoin.endLine) { array[4] += addCh; }
+                if (typeof(array[4]) === "undefined" && typeof(array[3]) !== "undefined") {
+                    array[3] += addCh;
+                } else if (typeof(array[4]) !== "undefined" && array[3] === toJoin.endLine) {
+                    array[4] += addCh;
+                }
             }
         });