Do the same for Attr

Author: encukou

Lib/xml/dom/minidom.py

@@ -364,6 +364,7 @@ class Attr(Node):
     def __init__(self, qName, namespaceURI=EMPTY_NAMESPACE, localName=None,
                  prefix=None):
         self.ownerElement = None
+        self.ownerDocument = None
         self._name = qName
         self.namespaceURI = namespaceURI
         self._prefix = prefix

Misc/NEWS.d/next/Library/2025-12-16-11-55-55.gh-issue-142754.xuCrt3.rst

@@ -1,4 +1,4 @@
-Add the *ownerDocument* attribute to :mod:`xml.dom.minidom` elements created
-by directly instantiating the Element class. Note that this way of creating
-Element instances is not supported; creator functions like
+Add the *ownerDocument* attribute to :mod:`xml.dom.minidom` elements and attributes
+created by directly instantiating the ``Element`` or ``Attr`` class. Note that
+this way of creating nodes is not supported; creator functions like
 :py:meth:`xml.dom.Document.documentElement` should be used instead.