W3C home > Mailing lists > Public > xmlschema-dev@w3.org > November 2002

Why No Abstract on SimplyType?

From: Neil Bradley <neil.bradley@rubus.com>
Date: Mon, 11 Nov 2002 10:36:17 -0000
Message-ID: <502326F46B08D41191C400508B6D70C1035A369A@nvision01.rubus.com>
To: "'xmlschema-dev@w3.org'" <xmlschema-dev@w3.org>

The Abstract attribute may be used on the ComplexType element. But it cannot
be used on the SimpleType element. Why?

I had thought it might be to reinforce a rule that abstract types cannot be
based on concrete types, yet this is actually possible with complex types.



Neil Bradley
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Received on Monday, 11 November 2002 05:39:01 UTC

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