Maciej Stachowiak wrote:
> A) A validating processor (in which case they must read all external
> DTDs, process the declared entities, and expand the entities when
> appropriate, and which must also report violations of DTD constraints.
Since 2nd edition of XML from 2000 validating processor is not required
to report validation errors:
http://www.w3.org/TR/2000/REC-xml-20001006#proc-types
"Validating processors must, ***at user option***, report violations of
the constraints expressed by the declarations in the DTD, and failures
to fulfill the validity constraints given in this specification."
Jirka
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