<?xml version="1.0" encoding="UTF-8" ?>

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">

<xsd:element name="foo" type="foo-type" />

<xsd:complexType name="item-type">

<xsd:all>

<xsd:element name="product-name" type="xsd:string"

minOccurs="1" maxOccurs="1"/>

<xsd:element name="quantity" type="xsd:decimal"

minOccurs="1" maxOccurs="1"/>

</xsd:all>

</xsd:complexType>

<xsd:complexType name="foo-type">

<xsd:sequence>

<xsd:element name="items" minoccurs="1" maxOccurs="1">

<xsd:complexType>

<xsd:sequence>

<xsd:element name="item" type="item-type"

minOccurs="0" maxOccurs="unbounded" />

</xsd:sequence>

</xsd:complexType>

</xsd:element>

</xsd:sequence>

</xsd:complexType>

</xsd:schema>