From 0a6f8075eb8d9d52d9316e9d6e5ec2d12ff2e1a7 Mon Sep 17 00:00:00 2001
From: Thomas Grainger <tagrain@gmail.com>
Date: Wed, 10 Mar 2021 06:57:26 +0000
Subject: [PATCH] add sphinx-notfound-page (#777)

Co-authored-by: Hynek Schlawack <hs@ox.cx>
---
 docs/conf.py | 1 +
 setup.py     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/conf.py b/docs/conf.py
index 86a158df..ae65fbbc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -52,6 +52,7 @@ extensions = [
     "sphinx.ext.doctest",
     "sphinx.ext.intersphinx",
     "sphinx.ext.todo",
+    "notfound.extension",
 ]
 
 
diff --git a/setup.py b/setup.py
index f46a0b8c..9941014b 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ CLASSIFIERS = [
 ]
 INSTALL_REQUIRES = []
 EXTRAS_REQUIRE = {
-    "docs": ["furo", "sphinx", "zope.interface"],
+    "docs": ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"],
     "tests_no_zope": [
         # 5.0 introduced toml; parallel was broken until 5.0.2
         "coverage[toml]>=5.0.2",