omcdsig2.xsd

<?xml version="1.0" encoding="UTF-8"?>
<!--
  *********************************************
  
  Relax NG Schema for OpenMath CD Signatures
  
  *********************************************
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.openmath.org/OpenMathCDS" xmlns:o="http://www.openmath.org/OpenMathCDS" xmlns:openmath="http://www.openmath.org/OpenMath">
  <xs:import namespace="http://www.openmath.org/OpenMath" schemaLocation="openmath2.xsd"/>
  <xs:element name="CDSComment" type="xs:string"/>
  <xs:element name="CDSReviewDate" type="xs:string"/>
  <xs:element name="CDSStatus">
    <xs:simpleType>
      <xs:restriction base="xs:token">
        <xs:enumeration value="official"/>
        <xs:enumeration value="experimental"/>
        <xs:enumeration value="private"/>
        <xs:enumeration value="obsolete"/>
      </xs:restriction>
    </xs:simpleType>
  </xs:element>
  <xs:element name="CDSignatures">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" maxOccurs="unbounded" ref="o:CDSComment"/>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element ref="o:CDSReviewDate"/>
          <xs:element ref="o:CDSStatus"/>
        </xs:choice>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element ref="o:CDSComment"/>
          <xs:element ref="o:Signature"/>
        </xs:choice>
      </xs:sequence>
      <xs:attributeGroup ref="o:attlist.CDSignatures"/>
    </xs:complexType>
  </xs:element>
  <xs:attributeGroup name="attlist.CDSignatures">
    <xs:attribute name="cd" use="required" type="xs:NCName"/>
    <xs:attribute name="type" use="required" type="xs:NCName"/>
  </xs:attributeGroup>
  <xs:element name="Signature">
    <xs:complexType>
      <xs:sequence>
        <xs:element minOccurs="0" ref="openmath:OMOBJ"/>
      </xs:sequence>
      <xs:attributeGroup ref="o:attlist.Signature"/>
    </xs:complexType>
  </xs:element>
  <xs:attributeGroup name="attlist.Signature">
    <xs:attribute name="name" use="required"/>
  </xs:attributeGroup>
</xs:schema>