Index: configure.in
===================================================================
--- configure.in	(Revision 511)
+++ configure.in	(Arbeitskopie)
@@ -66,10 +66,20 @@
 fi
 
 dnl check for DocBook DTD and stylesheets in the local catalog.
-JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
-   [DocBook XML DTD V4.1.2])
-JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl],
-   [DocBook XSL Stylesheets])
+JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.4//EN],
+   [DocBook XML DTD V4.4],,[
+    JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.3//EN],
+       [DocBook XML DTD V4.3],,[
+        JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.2//EN],
+           [DocBook XML DTD V4.2],,[
+           JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
+               [DocBook XML DTD V4.1.2],,[
+               JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl],
+                   [DocBook XSL Stylesheets])
+           ])
+       ])
+   ])
+])
 
 #
 # Set PACKAGE_DATA_DIR so we can find the script containing common routines.
