Příklad 4. Katalog pro styly značkování DocBook Slides
<?xml version="1.0"?>
<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
<!-- Slides DTD locations -->
<group xml:base="schema/dtd/"
id="slides-dtd"
prefer="public">
<public
publicId="-//Norman Walsh//DTD Slides Custom V3.1.0//EN"
uri="slides-custom.dtd"/>
<public
publicId="-//Norman Walsh//DTD slides Full V3.1.0//EN"
uri="slides-full.dtd"/>
</group>
<rewriteURI
uriStartString="http://docbook.sourceforge.net/release/xsl/current/"
rewritePrefix="file:/c:/devel/docbook-xsl-1.62.4/"/>
<!-- Map web references to DocBook 4.2 DTD -->
<nextCatalog catalog="file:/c:/devel/docbook4.2/catalog.xml" />
</catalog>