From ff6f920521bf90c865e86193b6cac5420ffdd6fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 9 Jan 2025 18:41:45 +0100
Subject: [PATCH] Return an empty gif as image URL without data

<img> must always have a src attribute so using an empty image is more
compliant with the standards.
---
 sao/src/common.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sao/src/common.js b/sao/src/common.js
index 2ce4826c00..2c365090dc 100644
--- a/sao/src/common.js
+++ b/sao/src/common.js
@@ -4339,7 +4339,8 @@
 
     Sao.common.image_url = function(data) {
         if (!data) {
-            return null;
+            return (
+                'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs%3D');
         }
         var type = '';
         try {