RE: expressing DTDs with UML

I think you are quite right, there is not an exact mapping between XML and
UML class diagram. But iot is quite close, and we have found the UML class
diagrams really easy to review, and to use as an aid for constructing XML
documents. Plus UML is such a widely known standard, there is a good deal of
tool support for it.

just a minor point ...

David vun Kannon writes

>> inheritance - a means for sharing / inheriting attributes, relationships

> DTDs as defined today don't need/use methods.

I was referring to inheriting the tag parameters. This way they don't have
to be defined twice.

Cheers,
Sam


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