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- From: John Cowan <cowan@locke.ccil.org>
- To: XML Dev <xml-dev@ic.ac.uk>
- Date: Fri, 10 Jul 1998 11:28:55 -0400
Ron Bourret wrote:
> > Major Question: Do we want Attribute declarations allowed outside of element
> > declarations? If yes, we need to do that here. This will be fairly minor
> > surgery; the AttDef element will also need a new attribute for its parent
> > element. The XML 1.0 spec doesn't have any such production - it just uses
> > Name.
>
> I vote yes. There are two reasons, both for user convenience. First, it allows
> multiple attribute declarations for the same element; in this case, the Element
> attribute of the AttList element points to the relevant ElementDecl. Second, it
> is a convenient shorthand for an attribute applying to all elements; in this
> case, the Element attribute of the AttList element is omitted.
I agree.
> I think it would be useful to explain further why an XSchema might be nested
> under another XSchema. In my mind, the major reason is reusability -- this
> structure means that the contents of two XSchemas can simply be placed inside
> the contents of a third XSchema.
Nested XSchemas also allow you to precisely specify the scope of
Doc elements.
--
John Cowan http://www.ccil.org/~cowan cowan@ccil.org
You tollerday donsk? N. You tolkatiff scowegian? Nn.
You spigotty anglease? Nnn. You phonio saxo? Nnnn.
Clear all so! 'Tis a Jute.... (Finnegans Wake 16.5)
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