W3C home > Mailing lists > Public > xmlschema-dev@w3.org > October 2001

Re: clarification/errata: circular attributeGroup, ur-type & include

From: Khaled Noaman <knoaman@ca.ibm.com>
Date: Thu, 25 Oct 2001 12:02:54 -0400
Message-ID: <3BD837AE.2A3C13B1@ca.ibm.com>
To: "Henry S. Thompson" <ht@cogsci.ed.ac.uk>
CC: Sandy Gao/Toronto/IBM <sandygao@ca.ibm.com>, www-xml-schema-comments@w3.org, xmlschema-dev@w3.org
Hi Henry,

On the same topic:

If schema A includes B & C, and imports D. Do B and C have access to
components in D?

Khaled Noaman
IBM Toronto Lab

xmlschema-dev-request@w3.org wrote:

> Sandy Gao writes:
> >> >If schema document A includes B, and B *imports* C. Does A have access
> >> > to components in C?
> Henry Thompson responds:
> >> See above -- no.
> Clarification.  You cannot make explicit references from document A using
> a prefix (or default NS) resolving to C.  BUT, your components in A may be
> indirectly using components from C.  Lets assume that a type declared in B
> derives from one in C (which is possible because B imports C).  Document A
> can declare elements using that type because it includes B.  Such use
> obviously involves information from the base type in C as will as the
> explicit reference in B.
> In the end, it's all one schema, but there are limitations on references
> that can be explicitly made in schema documents.
> ------------------------------------------------------------------------
> Noah Mendelsohn                                    Voice: 1-617-693-4036
> Lotus Development Corp.                            Fax: 1-617-693-8676
> One Rogers Street
> Cambridge, MA 02142
> ------------------------------------------------------------------------
Received on Thursday, 25 October 2001 12:04:25 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 23:14:54 UTC