--- docbook-xml-4.3/catalog.xml.orig	2004-03-31 15:22:12 +0400
+++ docbook-xml-4.3/catalog.xml	2012-04-01 08:28:53 +0400
@@ -25,12 +25,21 @@
 <public publicId="-//OASIS//DTD DocBook XML V4.3//EN"
         uri="docbookx.dtd"/>
 
+<system systemId="http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"
+        uri="docbookx.dtd"/>
+
+<system systemId="http://docbook.org/xml/4.3/docbookx.dtd"
+        uri="docbookx.dtd"/>
+
 <!-- ...................................................................... -->
 <!-- DocBook modules ...................................................... -->
 
 <public publicId="-//OASIS//DTD DocBook CALS Table Model V4.3//EN"
         uri="calstblx.dtd"/>
 
+<public publicId="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.3//EN"
+        uri="htmltblx.mod"/>
+
 <public publicId="-//OASIS//DTD XML Exchange Table Model 19990315//EN"
         uri="soextblx.dtd"/>