ExternalTerm.xsd

<?xml version="1.0" encoding="UTF-8"?>           
               
                <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
                elementFormDefault="qualified">
                    <xs:element name="externalTerm">
                        <xs:complexType>
                            <xs:sequence>
                                <xs:element ref="name" />
                                <xs:element ref="system" />
                            </xs:sequence>
                            <xs:attribute name="code" use="required" 
                            type="xs:string" />
                        </xs:complexType>
                    </xs:element>
                    <xs:element name="name">
                        <xs:complexType mixed="true">
                            <xs:attribute name="locale" use="required" 
                            type="xs:string" />
                        </xs:complexType>
                    </xs:element>
                    <xs:element name="system" type="xs:string" />
                </xs:schema>