Merge branch '4.x'

1 files changed, 5 insertions, 11 deletions

diff --git a/sphinx/util/cfamily.py b/sphinx/util/cfamily.py
index a86cb6f4b..e751ae9bb 100644
--- a/sphinx/util/cfamily.py
+++ b/sphinx/util/cfamily.py
@@ -1,12 +1,4 @@
-"""
-    sphinx.util.cfamily
-    ~~~~~~~~~~~~~~~~~~~
-
-    Utility functions common to the C and C++ domains.
-
-    :copyright: Copyright 2007-2022 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
+"""Utility functions common to the C and C++ domains."""
 
 import re
 from copy import deepcopy
@@ -15,6 +7,7 @@ from typing import Any, Callable, List, Match, Optional, Pattern, Tuple, Union
 from docutils import nodes
 from docutils.nodes import TextElement
 
+from sphinx import addnodes
 from sphinx.config import Config
 from sphinx.util import logging
 
@@ -134,8 +127,9 @@ class ASTCPPAttribute(ASTAttribute):
         return "[[" + self.arg + "]]"
 
     def describe_signature(self, signode: TextElement) -> None:
-        txt = str(self)
-        signode.append(nodes.Text(txt, txt))
+        signode.append(addnodes.desc_sig_punctuation('[[', '[['))
+        signode.append(nodes.Text(self.arg, self.arg))
+        signode.append(addnodes.desc_sig_punctuation(']]', ']]'))
 
 
 class ASTGnuAttribute(ASTBaseBase):