1<?xml version="1.0" encoding="ISO-8859-1"?>
2<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
3	xmlns="http://FOO" targetNamespace="http://FOO">
4
5	<xs:element name="foo">
6		<xs:complexType>
7			<xs:complexContent>
8				<xs:extension base="xs:anyType">
9					<xs:attribute name="barA_1" type="xs:string"  use="optional"/>
10					<!-- OK -->								
11					<xs:attribute name="barA_2" type="xs:string"  use="required"/>
12					<!-- OK -->									
13					<xs:attribute name="barA_3" type="xs:string"  use="prohibited"/>
14					<!-- OK -->	
15				</xs:extension>
16			</xs:complexContent>
17		</xs:complexType>
18	</xs:element>	
19
20</xs:schema>
21
22
23