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[xml-dev] Re: XML Schema ?

> Notice that the restriction has no content. If this is valid, then is the
> intent to just extend the "base64Binary" builtin type? Or assign a different
> name to the "base64Binary" builtin type? I thought <restriction> was
> intended to restrict a new datatype to a *subset* of an existing type?

I suppose CryptoBinary can still be considered as a restriction of base64Binary.
In other words, it's not an alias, although it behaves like that to some

I don't see anything in the spec that contradicts my interpretation.

In mathematics, if A=B, then one can usually say that A is a subset of B.
To exclude that possibility, one has to say that A is a proper subset of

E-Mail: kohsukekawaguchi@yahoo.com