--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/gumbo-parser/src/attribute.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,44 @@
+// Copyright 2010 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Author: jdtang@google.com (Jonathan Tang)
+
+#include "attribute.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+#include "util.h"
+
+struct GumboInternalParser;
+
+GumboAttribute* gumbo_get_attribute(
+    const GumboVector* attributes, const char* name) {
+  for (unsigned int i = 0; i < attributes->length; ++i) {
+    GumboAttribute* attr = attributes->data[i];
+    if (!strcasecmp(attr->name, name)) {
+      return attr;
+    }
+  }
+  return NULL;
+}
+
+void gumbo_destroy_attribute(
+    struct GumboInternalParser* parser, GumboAttribute* attribute) {
+  gumbo_parser_deallocate(parser, (void*) attribute->name);
+  gumbo_parser_deallocate(parser, (void*) attribute->value);
+  gumbo_parser_deallocate(parser, (void*) attribute);
+}