  <define name='svg.feTile.content'>
    <zeroOrMore>
      <choice>
        <ref name='animate'/>
        <ref name='set'/>
      </choice>
    </zeroOrMore>
  </define>

  <define name='feTile'>
    <element name='feTile'>
      <ref name='attlist.feTile'/>
      <ref name='svg.feTile.content'/>
    </element>
  </define>

  <define name='attlist.feTile' combine='interleave'>
    <ref name='svg.Core.attrib'/>
    <ref name='svg.FilterColor.attrib'/>
    <ref name='svg.FilterPrimitiveWithIn.attrib'/>
  </define>
