From b5083aaabd4103dea8fbb81125b106b9cce965a0 Mon Sep 17 00:00:00 2001
From: Christophe HENRY <christophe.henry@sbgodin.fr>
Date: Thu, 28 Jul 2022 21:50:52 +0200
Subject: [PATCH] Fixes a bug about null by ref variable

---
 lib-htmgem.inc.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib-htmgem.inc.php b/lib-htmgem.inc.php
index dea91a6..2c31405 100644
--- a/lib-htmgem.inc.php
+++ b/lib-htmgem.inc.php
@@ -319,6 +319,7 @@ class GemtextTranslate_html {
 
     protected static function spacesCompress(&$text) {
         # Replaces several spaces (0x20) by only one
+        if (empty($text)) $text = "";
         $text = preg_replace("/  +/", " ", $text);
     }