From b5aef2c2bd315fe031f4a26472d418051ca8c362 Mon Sep 17 00:00:00 2001
From: jfbu <2589111+jfbu@users.noreply.github.com>
Date: Sat, 25 Jun 2022 16:23:15 +0200
Subject: [PATCH] Fix #10596: Build failure if Docutils version is 0.18 (not
 0.18.1)

Node.findall() was added only at Docutils 0.18.1
---
 CHANGES                 | 3 +++
 sphinx/util/docutils.py | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 4afa807b69e..592df76341b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -16,6 +16,9 @@ Features added
 Bugs fixed
 ----------
 
+* #10596: Build failure if Docutils version is 0.18 (not 0.18.1) due
+  to missing ``Node.findall()``
+
 Testing
 --------
 
diff --git a/sphinx/util/docutils.py b/sphinx/util/docutils.py
index e1fd780963b..b2944ec28aa 100644
--- a/sphinx/util/docutils.py
+++ b/sphinx/util/docutils.py
@@ -550,9 +550,9 @@ def unknown_visit(self, node: Node) -> None:
 
 
 # Node.findall() is a new interface to traverse a doctree since docutils-0.18.
-# This applies a patch docutils-0.17 or older to be available Node.findall()
+# This applies a patch to docutils up to 0.18 inclusive to provide Node.findall()
 # method to use it from our codebase.
-if docutils.__version_info__ < (0, 18):
+if docutils.__version_info__ <= (0, 18):
     def findall(self, *args, **kwargs):
         return iter(self.traverse(*args, **kwargs))