From 0304f677ca32bc4f046e986a86844e4d03e7beea Mon Sep 17 00:00:00 2001
From: David Smith <smithdc@gmail.com>
Date: Thu, 25 Jul 2024 08:26:17 +0100
Subject: [PATCH] Updated Sphinx source_suffix setting to use a mapping.

Since Sphinx 1.8 this setting should be a mapping of file extensions to
file types. Before this change, Sphinx 8+ would show the following  when
building docs:

Converting `source_suffix = '.txt'` to `source_suffix = {'.txt': 'restructuredtext'}`
---
 docs/conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/conf.py b/docs/conf.py
index c36a9a2022..0c633397ac 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -94,7 +94,7 @@ spelling_warning = True
 # templates_path = []
 
 # The suffix of source filenames.
-source_suffix = ".txt"
+source_suffix = {".txt": "restructuredtext"}
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'