XSchema: root element

Michael Kay M.H.Kay at eng.icl.co.uk
Fri Jul 3 10:59:42 BST 1998

>Most DTDs have a number of useful potential roots and a
number of
>not-so-useful ones

I would certainly like to be able to declare in a DTD that
certain elements are valid roots and others are not.
Assuming there is technology to validate a document against
an XSchema, it moves one more validity check out of my
application and into the schema.

In the DTDs I have written, very few of the element types
(often just one) are valid roots, so my own choice of
default would be INVALID.

MIke Kay

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