From dc45e7272e85a817024f1a78cb276144a03fc88d Mon Sep 17 00:00:00 2001
From: Norman Walsh <ndw@nwalsh.com>
Date: Tue, 21 May 2002 19:52:45 +0000
Subject: [PATCH] Fix syntactic error intentionally introduced behind mutually
 exclusive PEs. Now make the DTD useless, but not syntactically invalid

---
 docbook/xml/docbookx.dtd | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/docbook/xml/docbookx.dtd b/docbook/xml/docbookx.dtd
index 71cf7cd61..cced95241 100644
--- a/docbook/xml/docbookx.dtd
+++ b/docbook/xml/docbookx.dtd
@@ -66,7 +66,14 @@
 
 <![%sgml.features;[
 <![%xml.features;[
-ERROR: Exactly one of xml.features and sgml.features must be turned on!
+
+<!-- ERROR: Exactly one of xml.features and sgml.features must be turned on! -->
+<!ENTITY % dbnotn SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbcent SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbpool SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbhier SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbgenent SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+
 ]]>
 ]]>
 
-- 
2.50.1