From d255493e8f7a0d0b0d648741b0fd2658daeb243b Mon Sep 17 00:00:00 2001
From: Robert Hensing <robert@roberthensing.nl>
Date: Mon, 23 Jan 2023 23:35:48 +0100
Subject: [PATCH] nixos/optionsToDocbook.py: Add docbook ns for when the
 appendix tag is omitted

---
 nixos/lib/make-options-doc/optionsToDocbook.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/lib/make-options-doc/optionsToDocbook.py b/nixos/lib/make-options-doc/optionsToDocbook.py
index 770898735862..021623d10a7a 100644
--- a/nixos/lib/make-options-doc/optionsToDocbook.py
+++ b/nixos/lib/make-options-doc/optionsToDocbook.py
@@ -306,6 +306,7 @@ if OTD_DOCUMENT_TYPE == 'appendix':
     print("""  <title>Configuration Options</title>""")
 print(f"""<variablelist xmlns:xlink="http://www.w3.org/1999/xlink"
                         xmlns:nixos="tag:nixos.org"
+                        xmlns="http://docbook.org/ns/docbook"
              xml:id="{OTD_VARIABLE_LIST_ID}">""")
 
 for name in keys: