XML Schema of XLink

[=?ISO-8859-1?Q?L=E9na=EFc?= Huard]

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Hello,

I wonder wether the W3C has published an XML Schema for XLink.

I want in a schema to describe an element which must have the XLink
attributes.
How can I do this ?

I started my schema with :

<?xml version="1.0" encoding="ISO-8859-1" ?>
<xs:schema xmlns="http://Photos"
xmlnshoto="http://Photos"
targetNamespace="http://Photos"
xmlns:xl="http://www.w3.org/1999/xlink"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
attributeFormDefault="qualified">
<xs:import namespace="http://www.w3.org/1999/xlink" />

Then, if I want myLink to be a link element which can have xl:type, xl:href
and so on attributes, can I declare it with :

<xs:element name="myLink" type="photo:myLinkType" />

<xs:complexType name="myLinkType">
<xs:attributeGroup ref="xl:WhatShouldIPutHere" />
</xs:complexType>

I don't know wether such a declaration is possible and what I should put as
reference of the attributeGroup.

Does any XML guru have an idea ?
Google gave me only home-made minimalist XLink schema...
Thanks,
Lénaïc.
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(o_ Lénaïc HUARD
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