--- docbook-xsl-1.79.2/catalog.xml.orig	2016-12-09 23:46:49.000000000 +0100
+++ docbook-xsl-1.79.2/catalog.xml	2017-09-29 18:35:12.544642100 +0200
@@ -5,4 +5,8 @@
   <rewriteSystem systemIdStartString="http://cdn.docbook.org/release/xsl/current/" rewritePrefix="./"/>
   <rewriteURI uriStartString="http://cdn.docbook.org/release/xsl/1.79.2/" rewritePrefix="./"/>
   <rewriteSystem systemIdStartString="http://cdn.docbook.org/release/xsl/1.79.2/" rewritePrefix="./"/>
+  <rewriteURI uriStartString=" http://docbook.sourceforge.net/release/xsl-ns/current/" rewritePrefix="./"/>
+  <rewriteSystem systemIdStartString="http://docbook.sourceforge.net/release/xsl-ns/current/" rewritePrefix="./"/>
+  <rewriteURI uriStartString=" http://docbook.sourceforge.net/release/xsl/current/" rewritePrefix="./"/>
+  <rewriteSystem systemIdStartString="http://docbook.sourceforge.net/release/xsl/current/" rewritePrefix="./"/>
 </catalog>