From f4fac43e11af41536be47d1d8b2daf8a059d9581 Mon Sep 17 00:00:00 2001
From: Alexander Borisov <lex.borisov@gmail.com>
Date: Fri, 16 May 2025 18:58:44 +0200
Subject: [PATCH] Backport
 lexbor/lexbor@814e0bce970eb95d553ae1a4ba88b26ba8102d12

---
 ext/dom/lexbor/lexbor/dom/interfaces/element.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ext/dom/lexbor/lexbor/dom/interfaces/element.c b/ext/dom/lexbor/lexbor/dom/interfaces/element.c
index 157beb9cf7be6..9ed65f522a7e4 100644
--- a/ext/dom/lexbor/lexbor/dom/interfaces/element.c
+++ b/ext/dom/lexbor/lexbor/dom/interfaces/element.c
@@ -444,7 +444,9 @@ lxb_dom_element_attr_by_local_name_data(lxb_dom_element_t *element,
     lxb_dom_attr_t *attr = element->first_attr;
 
     while (attr != NULL) {
-        if (attr->node.local_name == data->attr_id) {
+        if (attr->node.local_name == data->attr_id
+            || attr->qualified_name == data->attr_id)
+        {
             return attr;
         }