From 3c9fa2df13517c3ffa29aaaea7da6c3455a909e6 Mon Sep 17 00:00:00 2001
From: Stathis Papadopoulos <efpapado@eksoria.gr>
Date: Mon, 28 Jan 2019 10:50:28 +0100
Subject: [PATCH] Language::validateLocale should pass with locale 'zxx'.

---
 src/PhpWord/Style/Language.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PhpWord/Style/Language.php b/src/PhpWord/Style/Language.php
index 8174f6eeb9..dd3ed819be 100644
--- a/src/PhpWord/Style/Language.php
+++ b/src/PhpWord/Style/Language.php
@@ -229,7 +229,7 @@ private function validateLocale($locale)
             return strtolower($locale) . '-' . strtoupper($locale);
         }
 
-        if ($locale !== null && strstr($locale, '-') === false) {
+        if ($locale !== null && $locale !== 'zxx' && strstr($locale, '-') === false) {
             throw new \InvalidArgumentException($locale . ' is not a valid language code');
         }