マニュアルのCDuceのXMLスキーマサポートに関する項の例は全て、下に示されるXMLスキーマ文書mails.xsd、及びXMLスキーマインスタンスmails.xmlに関連している。
<!-- mails.xsd -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="mails" type="mailsType" />
<xsd:complexType name="mailsType">
<xsd:sequence minOccurs="0" maxOccurs="unbounded">
<xsd:element name="mail" type="mailType" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="mailType">
<xsd:sequence>
<xsd:element name="envelope" type="envelopeType" />
<xsd:element name="body" type="bodyType" />
<xsd:element name="attachment" type="attachmentType"
minOccurs="0" maxOccurs="unbounded" />
</xsd:sequence>
<xsd:attribute use="required" name="id" type="xsd:integer" />
</xsd:complexType>
<xsd:element name="header">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute ref="name" use="required" />
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="Date" type="xsd:dateTime" />
<xsd:complexType name="envelopeType">
<xsd:sequence>
<xsd:element name="From" type="xsd:string" />
<xsd:element name="To" type="xsd:string" />
<xsd:element ref="Date" />
<xsd:element name="Subject" type="xsd:string" />
<xsd:element ref="header" minOccurs="0" maxOccurs="unbounded" />
</xsd:sequence>
<xsd:attribute name="From" type="xsd:string" use="required" />
</xsd:complexType>
<xsd:simpleType name="bodyType">
<xsd:restriction base="xsd:string" />
</xsd:simpleType>
<xsd:complexType name="attachmentType">
<xsd:group ref="attachmentContent" />
<xsd:attribute ref="name" use="required" />
</xsd:complexType>
<xsd:group name="attachmentContent">
<xsd:sequence>
<xsd:element name="mimetype">
<xsd:complexType>
<xsd:attributeGroup ref="mimeTypeAttributes" />
</xsd:complexType>
</xsd:element>
<xsd:element name="content" type="xsd:string" minOccurs="0" />
</xsd:sequence>
</xsd:group>
<xsd:attribute name="name" type="xsd:string" />
<xsd:attributeGroup name="mimeTypeAttributes">
<xsd:attribute name="type" type="mimeTopLevelType" use="required" />
<xsd:attribute name="subtype" type="xsd:string" use="required" />
</xsd:attributeGroup>
<xsd:simpleType name="mimeTopLevelType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="text" />
<xsd:enumeration value="multipart" />
<xsd:enumeration value="application" />
<xsd:enumeration value="message" />
<xsd:enumeration value="image" />
<xsd:enumeration value="audio" />
<xsd:enumeration value="video" />
</xsd:restriction>
</xsd:simpleType>
</xsd:schema>
<!-- mails.xml -->
<mails>
<mail id="0">
<envelope From="bill@microsoft.com">
<From>user@unknown.domain.org</From>
<To>user@cduce.org</To>
<Date>2003-10-15T15:44:01Z</Date>
<Subject>I desperately need XML Schema support in CDuce</Subject>
<header name="Reply-To">bill@microsoft.com</header>
</envelope>
<body>
As subject says, is it possible to implement it?
</body>
<attachment name="signature.doc">
<mimetype type="application" subtype="msword"/>
<content>
### removed by spamoracle ###
</content>
</attachment>
</mail>
<mail id="1">
<envelope From="zack@cs.unibo.it">
<From>zack@di.ens.fr</From>
<To>bill@microsoft.com</To>
<Date>2003-10-15T16:17:39Z</Date>
<Subject>Re: I desperately need XML Schema support in CDuce</Subject>
</envelope>
<body>
user@unknown.domain.org wrote:
> As subject says, is possible to implement it?
Sure, I'm working on it, in a few years^Wdays it will be finished
</body>
</mail>
</mails>