Elements cannot be described more than once in DTD, right ?
pvelikho at cs.ucsd.edu
Wed Sep 22 09:18:26 BST 1999
> > It is interesting to find out whether this is a serious problem for you,
> > or something that you can get around/tolerate.
> I'd be a bit surprised if anyone considered this to be a serious problem and amazed if it was
> intolerable. :-) Schemas are interesting and will probably play a big role in times to come,
> but I don't believe that they offer anything that can't currently be done by other means.
Well, theoretically they are pretty serious problems. If you want to
take a union of DTDs,
say when integrating two XML databases, you might end up with a DTD that
allows a lot of
junk elements, while the original DTDs were strict enought. In the
database setting, when
the DTDs are used as database schemas, this leads to all sorts of
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