catalog-dita.xml

<?xml version='1.0' encoding='UTF-8'?>
<catalog prefer="public" xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">

  <group id="rng-public-id">
    <public publicId="urn:jung:dita:rng:slide.rng" uri="rng/slide.rng"/>
    <public publicId="urn:jung:dita:rng:slideMod.rng" uri="rng/slideMod.rng"/>
  </group>
  
  <group id="rng-system-id">
    <system systemId="urn:jung:dita:rng:slide.rng" uri="rng/slide.rng"/>
    <system systemId="urn:jung:dita:rng:slideMod.rng" uri="rng/slideMod.rng"/>
  </group>
  
  <group id="rng-uri">
    <uri name="urn:jung:dita:rng:slide.rng" uri="rng/slide.rng"/>
    <uri name="urn:jung:dita:rng:slideMod.rng" uri="rng/slideMod.rng"/>
  </group>

</catalog>