From 55302a8a884376580cdcfa9e4e3888ce14bb7232 Mon Sep 17 00:00:00 2001
From: John Bampton <jbampton@gmail.com>
Date: Fri, 24 Oct 2025 00:24:41 +1000
Subject: [PATCH] Add `sphinx-notfound-page` to configure styled 404 pages

Popular extension:

https://sphinx-extensions.readthedocs.io/en/latest/

https://github.com/readthedocs/sphinx-notfound-page

https://sphinx-notfound-page.readthedocs.io/en/latest/
---
 requirements.txt | 1 +
 source/conf.py   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/requirements.txt b/requirements.txt
index 1dbf927199..13d828674a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,4 @@ Sphinx==7.2.6
 sphinx-rtd-theme==2.0.0
 readthedocs-sphinx-ext==2.2.5
 Jinja2==3.1.5
+sphinx-notfound-page==1.1.0
diff --git a/source/conf.py b/source/conf.py
index 83aa8f291e..3c529caa67 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -46,6 +46,7 @@
     'sphinx.ext.intersphinx',
     'sphinx.ext.todo',
     'sphinx.ext.autosectionlabel',
+    'notfound.extension',
 ]
 
 # Add any paths that contain templates here, relative to this directory.