Re: What are schemata

Paul Prescod (papresco@technologist.com)
Mon, 01 Jun 1998 11:06:22 -0400


James K. Tauber wrote:
>
> Yep. What I was trying to stress was, is there anything more to a schema
> than boolean validity? (ie is this document a member of the set of
> documents described by the schema).

Schema languages will usually also provide support for authoring, by
allowing elements and attributes to be validated individually.

> I would say so. DTDs go a little bit
> beyond this with notations, etc.

I don't feel that those are the responsibilities of a schema language. I
think that the fact that DTDs do them is evidence that DTDs are more than
schema languages.

Paul Prescod - http://itrc.uwaterloo.ca/~papresco

Three things it is far better that only you should know:
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