XERCES-C/J - DocBook catalog

Hi

 

Could someone please provide me with instructions for using the XERCES-C/J for validating an XML document against the DocBook DTD (need to plug up/set path the catalog file)? or If any free parser software will support following requirements:

conform to W3C XML 1.0 standards, Unicode, namespaces, catalog file...

Please suggest.

 

Thanks

Tom

 

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