validation errors in targets.xml

Hello,
I alway get hundreds of validation errors, when i validate big target database documents against the targetdatabase.dtd because in the pulled in *.db files many undeclared elements, attributes and entities are found.

This has no effect on the successful outcome of the document/olink generation, but it makes it difficult to find an real error, for example a missing *.db file or something.

I use oXygen 11.2 for validation, but I had the same problem with xmlmind.

Is there a solution for this problem or do I have to extend the dtd myself?

Thanks,

Benno