Conformance in XML processors

James Clark jjc at
Mon Jan 19 00:52:57 GMT 1998

Tim Bray wrote:

> No.  The spec is clear; a non-validating processor is required to
> do internal entities and default attribute values.  Nobody should
> expect one to do anything with notations or unparsed entities or
> anything else.  You want that, get a validating processor.

I think I would expect a non-validating processor to inform the
application about any unparsed entities that have been declared in the
internal subset. A non-validating processor has to keep track of this, 
because it has to report an error if any of them are referenced. I don't
see that passing this information on to the application has anything to
do with validation.

The only things I expect of a validating processor that I don't expect
of a non-validating processor are:

- processing the external DTD subset

- processing parameter entity references

- reporting violations of validity constraints

- reporting that character data is ignorable white space


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