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Re: Entities in XSchema

• From: Chris Maden <crism@o...>
• To: xml-dev@i...
• Date: Tue, 9 Jun 1998 16:28:34 -0400 (EDT)

[John Cowan]
> If, however, purely declarative information is to be removed from
> XSchemas, then I think that parts of the attribute-type and
> attribute-value declaration syntax should go.  In particular,
> attribute types are reduced to Name (ID, IDREF, ENTITY, NOTATION),
> Names (IDREFS, ENTITIES, NOTATIONS), Nmtoken, Nmtokens, and CData;
> attribute values are reduced to #REQUIRED, #FIXED "foo", and other.

Nay.  ID, IDREF, and IDREFS are important to identify; an XSchema-
based validator can ensure that IDs are unique, and that IDREFs all
have a corresponding ID.

Likewise, NOTATION(S) says, "here's the attribute on which the
element's content is declared".

I think keeping ENTITY and ENTITIES is also a good idea.  It says that
the attribute points to an entity, but doesn't mean that the same
schema has to actually declare the permitted entities.

-Chris
-- 
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"<URL>http://www.oreilly.com/people/staff/crism/ <TEL>+1.617.499.7487
<USMAIL>90 Sherman Street, Cambridge, MA 02140 USA" NDATA SGML.Geek>

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• References:
  • Re: Entities in XSchema
    • From: John Cowan <cowan@l...>

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