<?xml version="1.0" encoding="ISO-8859-1" ?>
<!-- 3.2.3 : 2.2
If ref is present, then all of <complexType>, <simpleType>, <key>, <keyref>, <unique>,
nillable, default, fixed, form, block and type must be absent, i.e. only minOccurs, maxOccurs,
id are allowed in addition to ref, along with <annotation>.
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://foo" xmlns:foo="http://foo">
<element name="bar" type="string"/>
<element name="foo">
<complexType>
<choice>
<!-- The good ones. -->
<element ref="foo:bar" minOccurs="0"/>
<element ref="foo:bar" maxOccurs="0"/>
<element ref="foo:bar" id="myomy"/>
<!-- The bad ones. -->
<element ref="foo:bar">
<complexType>
<attribute name="bar" type="string"/>
</complexType>
</element>
<element ref="foo:bar">
<simpleType>
<restriction base="string">
<maxLength value="20"/>
</restriction>
</simpleType>
</element>
<element ref="foo:bar" type="string"/>
<element ref="foo:bar" nillable="true"/>
<element ref="foo:bar" default="Joni"/>
<element ref="foo:bar" fixed="Mitchel"/>
<element ref="foo:bar" form="unqualified"/>
<element ref="foo:bar" block="restriction"/>
</choice>
</complexType>
</element>
</schema>