<?xml version="1.0" encoding="UTF-8"?>
<xs:schema targetNamespace="http://www.w3.org/1999/xhtml" 
            xmlns="http://www.w3.org/1999/xhtml" 
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:xml="http://www.w3.org/XML/1998/namespace">
    <xs:annotation>
       <xs:documentation>
          Bidirectional Override (bdo) Element     
          This is the XML Schema BDO Element module for XHTML 
          
          This modules declares the element 'bdo' and 'dir' attributes, 
          Used to override the  Unicode bidirectional algorithm for selected 
          fragments of text.
          Bidirectional text support includes both the bdo element and
          the 'dir' attribute.
                    
          $Id: xhtml-bdo-1.xsd,v 1.2 2003/09/20 01:41:37 speruvem Exp $
      </xs:documentation>
      <xs:documentation source="xhtml-copyright-1.xsd"/>
      <xs:documentation 
         source="http://www.w3.org/TR/2001/REC-xhtml-modularization-20010410/abstract_modules.html#s_bdomodule"/>      
    </xs:annotation>
      
    <xs:attributeGroup name="bdo.attlist">
      <xs:attribute ref="xml:lang"/>
      <xs:attributeGroup ref="Core.attrib"/>
      <xs:attribute name="dir" use="required">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="ltr"/>
            <xs:enumeration value="rtl"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
    </xs:attributeGroup>

    <xs:group name="bdo.content">
       <xs:sequence>
          <xs:group ref="Inline.mix" minOccurs="0" maxOccurs="unbounded"/>       
       </xs:sequence>
    </xs:group>          
 
    <xs:complexType name="bdo.type" mixed="true">
      <xs:group ref="bdo.content"/>
      <xs:attributeGroup ref="bdo.attlist"/>
    </xs:complexType>
    
    <xs:element name="bdo" type="bdo.type"/>

    <xs:attributeGroup name="dir.attrib">
      <xs:attribute name="dir">
        <xs:simpleType>
          <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="ltr"/>
            <xs:enumeration value="rtl"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
    </xs:attributeGroup> 
        
</xs:schema>
