From f05a6bee529d74899598d6ca616a72c60277254e Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Fri, 25 Jun 2021 17:38:19 +0200
Subject: [PATCH] wait #4555 @1.5

---
 js/libs/fluidbook/fluidbook.loader.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/js/libs/fluidbook/fluidbook.loader.js b/js/libs/fluidbook/fluidbook.loader.js
index 37924046..d7fd15ad 100644
--- a/js/libs/fluidbook/fluidbook.loader.js
+++ b/js/libs/fluidbook/fluidbook.loader.js
@@ -363,6 +363,14 @@ FluidbookLoader.prototype = {
     },
 
     handleExtension: function (content) {
+        if (typeof content === 'object' && content !== null) {
+            var c = '';
+            $.each(content, function (blendode, links) {
+                c += links.join('');
+            });
+            content = c;
+        }
+
         var ext = this.fluidbook.settings.actualHtmlExtension;
         if (ext === undefined || ext === null || ext === 'html') {
             return content;
-- 
2.39.5