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   FW: [xml-dev] DTD validation without a DOCTYPE

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Thanks Joe

I guess I left details out

* I have to use JAXP 1.1.0
* Some files will have a DOCTYPE and some won't
* If a DOCTYPE is not provided I need to make it use a default DTD
* Can't modify the files in any way.

-----Original Message-----
From: 	Joe English [mailto:jenglish@flightlab.com] 
Sent:	Tuesday, February 05, 2002 8:44 PM
To:	xml-dev@lists.xml.org
Subject:	Re: [xml-dev] DTD validation without a DOCTYPE

Caro, Samuel asked:
> Is there a way to validate against a DTD if the xml file does NOT have a

Yep: add one.  For example,
# from a Unix shell prompt:
( echo "<!DOCTYPE foo SYSTEM 'foo.dtd'>" ; cat mydoc.xml ) | rxp -

For a more elegant solution, if your validator supports OASIS catalogs
(nsgls does), you can set up a catalog that will choose an appropriate DTD
based on the root element type name.
nsgmls -m /path/to/catalog -s -B *.xml
where the catalog file should contain:
SGMLDECL xml.dcl
DOCTYPE foo foo.dtd
DOCTYPE bar bar.dtd

and xml.dcl specifies FEATURES IMPLYDEF DOCTYPE YES.
A suitable SGML declaration can be found, erm, here:

* Joe English


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