<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="title">
    <xs:simpleType>
      <xs:restriction base="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">
        <xs:enumeration value="WriteTheWeb"/>
        <xs:enumeration value="Giving the world a pluggable Gnutella"/>
        <xs:enumeration value="Syndication discussions hot up"/>
        <xs:enumeration value="Personal web server integrates file sharing and messaging"/>
        <xs:enumeration value="Syndication and Metadata"/>
        <xs:enumeration value="UK bloggers get organised"/>
        <xs:enumeration value="Yournamehere.com more important than anything"/>
      </xs:restriction>
    </xs:simpleType>
  </xs:element>
  <xs:element name="url" type="xs:anyURI" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="link">
    <xs:simpleType>
      <xs:restriction base="xs:anyURI" xmlns:xs="http://www.w3.org/2001/XMLSchema">
        <xs:enumeration value="http://writetheweb.com"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=24"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=23"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=22"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=21"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=20"/>
        <xs:enumeration value="http://writetheweb.com/read.php?item=19"/>
      </xs:restriction>
    </xs:simpleType>
  </xs:element>
  <xs:element name="width" type="xs:byte" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="height" type="xs:byte" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="description">
    <xs:simpleType>
      <xs:restriction base="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema">
        <xs:enumeration value="News for web users that write back"/>
        <xs:enumeration value="WorldOS is a framework on which to build programs that work like Freenet or Gnutella -allowing distributed applications using peer-to-peer routing."/>
        <xs:enumeration value="After a period of dormancy, the Syndication mailing list has become active again, with contributions from leaders in traditional media and Web syndication."/>
        <xs:enumeration value="The Magi Project is an innovative project to create a combined personal web server and messaging system that enables the sharing and synchronization of information across desktop, laptop and palmtop devices."/>
        <xs:enumeration value="RSS is probably the best known metadata format around. RDF is probably one of the least understood. In this essay, published on my O'Reilly Network weblog, I argue that the next generation of RSS should be based on RDF."/>
        <xs:enumeration value="Looks like the weblogs scene is gathering pace beyond the shores of the US. There's now a UK-specific page on weblogs.com, and a mailing list at egroups."/>
        <xs:enumeration value="Whatever you're publishing on the web, your site name is the most valuable asset you have, according to Carl Steadman."/>
      </xs:restriction>
    </xs:simpleType>
  </xs:element>
  <xs:element name="language" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="copyright" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="managingEditor" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="webMaster" type="xs:string" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
  <xs:element name="image">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="title"/>
        <xs:element ref="url"/>
        <xs:element ref="link"/>
        <xs:element ref="width"/>
        <xs:element ref="height"/>
        <xs:element ref="description"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="item">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="title"/>
        <xs:element ref="link"/>
        <xs:element ref="description"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="channel">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="title"/>
        <xs:element ref="link"/>
        <xs:element ref="description"/>
        <xs:element ref="language"/>
        <xs:element ref="copyright"/>
        <xs:element ref="managingEditor"/>
        <xs:element ref="webMaster"/>
        <xs:element ref="image"/>
        <xs:element ref="item" maxOccurs="unbounded" minOccurs="0"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:element name="rss">
    <xs:complexType>
      <xs:sequence>
        <xs:element ref="channel"/>
      </xs:sequence>
      <xs:attribute type="xs:float" name="version" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
    </xs:complexType>
  </xs:element>
</xs:schema>