From: Thibaut Cuvelier <tcuvelier@lyx.org>
Date: Fri, 23 Dec 2022 01:22:55 +0000 (+0100)
Subject: DocBook: add a comment about the need for DocBook 5.2.
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=ff2a2b2a8a3be323346ad4f5e660fbc1b7a65a04;p=features.git

DocBook: add a comment about the need for DocBook 5.2.
---

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index b1d14d245c..0728722168 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -2179,6 +2179,7 @@ Buffer::ExportStatus Buffer::writeDocBookSource(odocstream & os,
 						    + mathmlNamespace
 						    + " xmlns:xi=\"http://www.w3.org/2001/XInclude\""
 						    + " version=\"5.2\"";
+		// Version 5.2 is required for formalgroup.
 
 		os << "<" << from_ascii(tclass.docbookroot()) << " " << from_ascii(attributes) << ">\n";
 	}