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RE: [xml-dev] ID Conflicts in Namespaces.
- From: "Michael Kay" <mike@saxonica.com>
- To: "'Ben Trafford'" <ben@prodigal.ca>,<xml-dev@lists.xml.org>
- Date: Fri, 18 Aug 2006 00:37:37 +0100
Yes, it's an error.
There aren't two schemas, there is only one. A schema is a collection of
schema components and they can be drawn from more than one schema document.
Michael Kay
http://www.saxonica.com/
> -----Original Message-----
> From: Ben Trafford [mailto:ben@prodigal.ca]
> Sent: 18 August 2006 00:00
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] ID Conflicts in Namespaces.
>
>
> (Woo! Looks like XML-DEV is back!)
>
> Hi!
>
> I have a question. To illustrate it, take a look at this markup:
>
> <document xmlns="http://www.example.com/document"
> xmlns:sample="http://www.sample.com/sample">
> <paragraph id="one">This is a sample paragraph.</paragraph>
> <sample:text id="one">This is another sample
> paragraph.</sample:text> </document>
>
> Let's assume that the schema for the "document" said
> that the "id"
> attribute on "paragraph" was is an ID (as in the attribute type).
> Let's also assume that the schema for the "sample" said that the "id"
> attribute on "text" is an ID.
>
> Should a validation tool flag an error (e.g. using two
> identical IDs in one document)?
>
> I don't think it ought to (since it's one document, but
> two different schemas), but I also think of
> namespace-qualified document fragments as being islands in
> and unto themselves.
>
> Anybody got any ideas? And pointers to specifications
> that define what ought to be happening here?
>
> --->Ben
>
>
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