<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="http://www.w3.org/1999/xhtml"
           xmlns:simpleml="http://www.example.com/xmlns/simpleml1"
           xmlns="http://www.w3.org/1999/xhtml"
           blockDefault="#all">

  <xs:annotation>
    <xs:documentation>
      This is the XML Schema Driver for new 
      Document Type XHTML Basic 1.0 + SimpleML
      $Id: simpleml-1_0.xsd,v 1.1 2018/03/20 04:18:47 plehegar Exp $
    </xs:documentation>
    <xs:documentation source="http://www.w3.org/MarkUp/SCHEMA/xhtml-copyright-1.xsd"/>
  </xs:annotation>
  
  <xs:import namespace="http://www.example.com/xmlns/simpleml1" 
             schemaLocation="simpleml-module-1.xsd"/>
  
  <xs:redefine schemaLocation="http://www.w3.org/MarkUp/SCHEMA/xhtml-basic10.xsd">
    <xs:group name="xhtml.Misc.class">
      <xs:choice>
        <xs:group ref="xhtml.Misc.class"/>
        <xs:element ref="simpleml:element"/>
      </xs:choice>
    </xs:group>

    <xs:attributeGroup name="xhtml.img.attlist">
       <xs:attributeGroup ref="xhtml.img.attlist"/>
       <xs:attribute ref="simpleml:myattr"/>
    </xs:attributeGroup>      
  </xs:redefine> 
    
</xs:schema>
