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At 2002-02-05 20:23 -0600, Caro, Samuel wrote:
>Is there a way to validate against a DTD if the xml file does NOT have a
>DOCTYPE?
Yes, there is a way of doing this entirely within XML 1.0 Recommendation
without resorting to any proprietary functionality.
When I have to do this without munging the actual files themselves, I use
parameter and general entities to effect the result.
I hope the example below helps. Note how I can visually confirm the parts
of the document by aligning the names of the document element type, DTD
file, and the instance file.
Just create one of these XML instances for each combination of the three.
.................... Ken
T:\ftemp>type foo.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<foo>
<bar/>
</foo>
T:\ftemp>type foo.dtd
<!ELEMENT foo ( bar )>
<!ELEMENT bar EMPTY>
T:\ftemp>type caro.xml
<!DOCTYPE dummy-document-element [
<!ELEMENT dummy-document-element ( foo )>
<!ENTITY % dummy-document-dtd SYSTEM "foo.dtd">
<!ENTITY dummy-document-entity SYSTEM "foo.xml">
%dummy-document-dtd;
]>
<dummy-document-element>&dummy-document-entity;</dummy-document-element>
T:\ftemp>xml caro.xml
Processing: 'caro.xml' for XML errors
T:\ftemp>
--
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