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   Re: [xml-dev] Processing external DTD subset as part of DTD validation

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Hi Mikko,

Look at Xerces grammars support:
http://xerces.apache.org/xerces2-j/faq-grammars.html

Best Regards,
George
---------------------------------------------------------------------
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com


Mikko Saesmaa wrote:
> Hi all,
> 
> we are fiddling with the idea of implementing a syntax-aware DTD
> editor on top of an XML parser, using Java. There must be some
> native API methods for, say, Apache Crimson or Apache Xerces that
> receive and process an external DTD subset, and report any errors
> using SAX Exceptions. Any hints for finding
> and using such methods would be appreciated.
> 
> As far as we know, JAXP does not support the validation of DTDs
> directly. Our original idea was to wrap the DTD inside the
> prolog of a dummy document instance. The problem with this approach
> is that this way we would pass the declarations to the parser as an
> /internal/ DTD subset, which has different restrictions on the use of
> parameter entities than an external subset.
> 
> Thanks,
> 
> Mikko Saesmaa
> 
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