From 3a6a5a6925ffe1223283ecd285a0dc098b91b904 Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Tue, 16 Apr 2024 02:09:48 +0200
Subject: [PATCH] small quotation change

---
 snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
index 551c99cb5..014f5c1b6 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Base/Utils.php
@@ -369,7 +369,7 @@ abstract class Utils
 
 	public static function AttributeRfc2231Encode(string $sAttrName, string $sValue, string $sCharset = 'utf-8', string $sLang = '', int $iLen = 1000) : string
 	{
-		$sValue = \strtoupper($sCharset).'\''.$sLang.'\''.
+		$sValue = \strtoupper($sCharset)."'{$sLang}'".
 			\preg_replace_callback('/[\x00-\x20*\'%()<>@,;:\\\\"\/[\]?=\x80-\xFF]/', function ($match) {
 				return \rawurlencode($match[0]);
 			}, $sValue);