diff --git a/meta/recipes-devtools/docbook-xml/docbook-xml-dtd4/docbook-xml.xml b/meta/recipes-devtools/docbook-xml/docbook-xml-dtd4/docbook-xml.xml
new file mode 100644
index 0000000..b71f559
--- /dev/null
+++ b/meta/recipes-devtools/docbook-xml/docbook-xml-dtd4/docbook-xml.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0"?>
+<!DOCTYPE catalog PUBLIC "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN" "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd">
+<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Notations V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//ELEMENTS DocBook XML Information Pool V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Information Pool V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Additional General Entities V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Additional General Entities V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook CALS Table Model V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Information Pool V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.1//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//ENTITIES DocBook XML Notations V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Information Pool V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Notations V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook CALS Table Model V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//DTD CALS Table Model XML V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//ENTITIES DocBook XML Character Entities V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//ELEMENTS DocBook XML Document Hierarchy V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Notations V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook CALS Table Model V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Normal Walsh//Exchange Table Model 19960430 XML V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Additional General Entities V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.4/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.1/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Notations V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//DTD DocBk XML V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Character Entities V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook XML Information Pool V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//DTD DocBook XML V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Additional General Entities V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.1.2/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook XML HTML Tables V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.5/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Notations V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Character Entities V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//Norman Walsh//ENTITIES DocBook XML Additional General Entities V4.0//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook CALS Table Model V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.0/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.0/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.2/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Character Entities V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD XML Exchange Table Model 19990315//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Character Entities V4.4//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.4/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Additional General Entities V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML V4.3//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://docbook.org/xml/4.3/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/4.3/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Information Pool V4.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook CALS Table Model V4.5//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.5/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//DTD DocBook XML//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ELEMENTS DocBook Document Hierarchy V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegatePublic publicIdStartString="-//OASIS//ENTITIES DocBook Character Entities V4.1.2//EN" catalog="file:///usr/share/xml/docbook/schema/dtd/4.1.2/catalog.xml"/>
+  <delegateSystem systemIdStartString="http://www.oasis-open.org/docbook/xml/4.1/docbookx.dtd" catalog="file:///usr/share/xml/docbook/schema/dtd/catalog.xml"/>
+</catalog>