CATALOG /usr/share/xml/docbook/schema/dtd/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.0/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.1.2/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.2/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.3/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.4/catalog
CATALOG /usr/share/xml/docbook/schema/dtd/4.5/catalog