xml-dev - validating parser that understands PUBLIC id's

[Mark Doyle <doyle@aps.org>]

Greetings,

Does anyone have any suggestions out there for a validating parser that  
understands PUBLIC identifiers in the <!DOCTYPE> line? I really want  
something akin to "nsgmls -s" - that is, all I want to know if is the file is  
valid or not. My doctype line looks like:

<!DOCTYPE apsmeta PUBLIC "-//The American Physical Society//DTD APS Metadata  
1.0//EN" "http://publish.aps.org/dtd/apsmeta/apsmeta.dtd">

The URL isn't active (is it a requirement to have it active when used as a  
SYSTEM id?) - I want these files to be valid and not have to specify a  
specific path for the SYSTEM id. To validate them I don't want to have to  
copy/link the DTD or the files all over the place. I prefer a simple command  
line program (I have little experience with Java - so a code snippet would be  
helpful).

Thanks,
Mark

Mark Doyle
Manager, Product Development
The American Physical Society

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