Item 47: Catalog common
resources
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<?xml version="1.0"?>
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<catalog xmlns=
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"urn:oasis:names:tc:entity:xmlns:xml:catalog"
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>
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<public publicId=
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"-//OASIS//DTD DocBook XML V4.2//EN"
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uri=
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"file:///opt/xml/docbook/docbookx.dtd"/>
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</catalog>