| 123456789101112131415161718192021222324252627282930313233343536373839 | <?xml version="1.0"?><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">  <xsd:element name="comment" type="xsd:string"/>  <!-- Stock Keeping Unit, a code for identifying products -->  <xsd:simpleType name="SKU">    <xsd:restriction base="xsd:string">      <xsd:pattern value="\d{3}-[A-Z]{2}"/>    </xsd:restriction>  </xsd:simpleType>  <xsd:element name="Item">    <xsd:complexType>      <xsd:sequence>        <xsd:element name="productName" type="xsd:string"/>        <xsd:element name="quantity">          <xsd:simpleType>            <xsd:restriction base="xsd:positiveInteger">              <xsd:maxExclusive value="100"/>            </xsd:restriction>          </xsd:simpleType>        </xsd:element>        <xsd:element name="USPrice" type="xsd:decimal"/>        <xsd:element ref="comment" minOccurs="0"/>        <xsd:element name="shipDate" type="xsd:date" minOccurs="0"/>      </xsd:sequence>      <xsd:attribute name="partNum" type="SKU" use="required"/>      <!-- add weightKg and shipBy attributes -->      <xsd:attribute name="weightKg" type="xsd:decimal"/>      <xsd:attribute name="shipBy">        <xsd:simpleType>          <xsd:restriction base="xsd:string">            <xsd:enumeration value="air"/>            <xsd:enumeration value="land"/>            <xsd:enumeration value="any"/>          </xsd:restriction>        </xsd:simpleType>      </xsd:attribute>    </xsd:complexType>  </xsd:element></xsd:schema>
 |