From 89a31ba1dd5bf5fe7573555e3d8238f9af66df5f Mon Sep 17 00:00:00 2001
From: Tim van Dijen <tvdijen@gmail.com>
Date: Sun, 4 Jun 2023 23:46:50 +0200
Subject: [PATCH] Bugfix: ##other doesn't allow non-namespaced

---
 src/ExtendableAttributesTrait.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ExtendableAttributesTrait.php b/src/ExtendableAttributesTrait.php
index ee0b964..98e8695 100644
--- a/src/ExtendableAttributesTrait.php
+++ b/src/ExtendableAttributesTrait.php
@@ -15,6 +15,7 @@
 use function array_search;
 use function defined;
 use function implode;
+use function in_array;
 use function is_array;
 use function rtrim;
 use function sprintf;
@@ -113,7 +114,7 @@ protected static function getAttributesNSFromXML(DOMElement $xml, string|array $
                 }
             } elseif ($namespace === C::XS_ANY_NS_OTHER) {
                 foreach ($xml->attributes as $a) {
-                    if ($a->namespaceURI !== static::NS) {
+                    if (!in_array($a->namespaceURI, [static::NS, null], true)) {
                         $attributes[] = new Attribute($a->namespaceURI, $a->prefix, $a->localName, $a->nodeValue);
                     }
                 }