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="typeA">
9					<xs:attribute name="barA_2" type="xs:string"  use="required"/>					
10					<xs:attribute name="barA_1" type="xs:string"  use="prohibited"/>					
11				</xs:extension>
12			</xs:complexContent>
13		</xs:complexType>
14	</xs:element>
15
16	<xs:complexType name="typeA">
17		<xs:attribute name="barA_1" type="xs:string" use="required"/>				
18	</xs:complexType>
19
20</xs:schema>
21
22
23