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RE: XML Public Indentifier

Should we coalesce this thread with the one about URN for namespaces ? Isn't
there a similarity between a DTD PUBLIC id and a namespace URN ?


>-----Message d'origine-----
>De : Rob Lugt [mailto:roblugt@elcel.com]
>Envoyé : mercredi 5 septembre 2001 12:26
>À : xml-dev@lists.xml.org
>Objet : Re: XML Public Indentifier
>Harden ZHU wrote
>> I have some XML docs as
>> <!DOCTYPE Catalog PUBLIC "-//PubCatalog" 
>> I don't know how public indentifier works. Is 
>"-//PubCatalog" a URI? And
>> How parser find it and work with it?
>The public identifier is not a URI, but it is a string that 
>may be used by
>the XML parser to access the resource.  The XML 1.0 
>recommendation did not
>specify how public identifiers should be used with the result 
>that many xml
>tools do not process them.
>However, this situation is now changing for the better.  OASIS 
>have created
>a specification for a standard XML Catalog that can be used by 
>the parser to
>resolve public identifiers.  The OASIS web-page [1] contains 
>details of the
>specification as well as some tools that help you to use it.  
>If you are
>using a Java SAX parser, then you will be interested in Normal 
>Walsh's Java
>Resolver Classes [2] that can be plugged into the popular java parsers.
>Rob Lugt
>ElCel Technology
>[1] http://www.oasis-open.org/committees/entity
>[2] http://www.sun.com/xml/developers/resolver/
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