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RE: using schemaLocation to point multiple same namespace sche

• To: "Emmanuil Batsis (Manos)" <mbatsis@h...>,<xml-dev@l...>
• Subject: RE: using schemaLocation to point multiple same namespace schemas
• From: "Dare Obasanjo" <dareo@m...>
• Date: Wed, 4 Sep 2002 16:38:42 -0700
• Thread-index: AcJUaulN49mMooorTGyTsLvV+BGvmQAAR4nw
• Thread-topic: using schemaLocation to point multiple same namespace schemas

 
I read the same part of the W3C XML Schema recommendation that you did.
How exactly is our implementation incorrect given the parts of the REC
you quoted? 

-- 
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This posting is provided "AS IS" with no warranties, and confers no
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-----Original Message-----
From: Emmanuil Batsis (Manos) [mailto:mbatsis@h...] 
Sent: Wednesday, September 04, 2002 4:23 PM
To: Dare Obasanjo; xml-dev@l...

Dare Obasanjo wrote:

> 
>I can't find any where in the W3C XML Schema recommendation where this 
>is disallowed
>
It's allowed but...

> but I can understand why a schema validator would want to disallow 
>that to reduce implementation complexity. Given that xsi:schemaLocation

>is considered to be a hint, implementations are given a lot of leeway 
>in how they treat its contents if at all.
>
>The Microsoft W3C XML Schema implementations pick the first schema they

>see and associate that with the namespace then ignores the other 
>specified locations.
>

The |xsi:schemaLocation also accepts pairs of URIs for authors that wish
to provide references to Schema documents|. In each pair of URIs, the
first is used as a namespace URI and the second as a location for the
schema document. This is one of the three requierments at [1].

The sister attribute, |xsi:noNamespaceSchemaLocation, accepts only one
URI as a hint to where the schema document may be located.|

So, this implementation is incorrect [2]?


XML Schema Part 1: Structures

4.3.2 How schema definitions are located on the Web [12]
http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/#schema-loc

4.1 Layer 1: Summary of the Schema-validity Assessment Core [2]
http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/#layer1

Manos


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