<!-- ==============================================================
      SVG12-RNG | SVG 1.2 Tiny Structure
     ============================================================== -->

<grammar ns='http://www.w3.org/2000/svg'
         xml:lang='en'
         xmlns='http://relaxng.org/ns/structure/1.0'
         xmlns:xlink='http://www.w3.org/1999/xlink'
         xmlns:a='http://relaxng.org/ns/compatibility/annotations/1.0'
         xmlns:svg='http://www.w3.org/2005/02/svg-annotations'
         datatypeLibrary='http://www.w3.org/2001/XMLSchema-datatypes'
         >

  <start>
    <ref name='svg'/>
  </start>


  <!--
    Reusable groups
    -->
  <define name='svg.Desc.group' combine='choice'>
    <choice>
      <ref name='desc'/>
      <ref name='title'/>
      <ref name='metadata'/>
      <element name='switch'>
        <ref name='switch.AT'/>
        <zeroOrMore><ref name='svg.Desc.group'/></zeroOrMore>
      </element>
    </choice>
  </define>

  <define name='svg.G-noA.group' combine='choice'>
    <choice>
      <ref name='svg.Desc.group'/>
      <ref name='svg.GCommon.group'/>
      <ref name='g'/>
      <ref name='defs'/>
      <ref name='use'/>
      <element name='switch'>
        <ref name='switch.AT'/>
        <zeroOrMore><ref name='svg.G-noA.group'/></zeroOrMore>
      </element>
    </choice>
  </define>

  <define name='svg.G.group' combine='choice'>
    <choice>
      <ref name='svg.Desc.group'/>
      <ref name='svg.GCommon.group'/>
      <ref name='g'/>
      <ref name='defs'/>
      <ref name='use'/>
      <element name='switch'>
        <ref name='switch.AT'/>
        <zeroOrMore><ref name='svg.G.group'/></zeroOrMore>
      </element>
      <element name='a'>
        <ref name='a.AT'/>
        <zeroOrMore><ref name='svg.G-noA.group'/></zeroOrMore>
      </element>
    </choice>
  </define>

  <define name='svg.PAR.attr' combine='interleave'>
    <optional>
      <attribute name='preserveAspectRatio' svg:animatable='true' svg:inheritable='false'>
        <data type='string'>
          <param name='pattern'>\s*(none|xMidYMid)\s*(meet)?\s*</param>
        </data>
      </attribute>
    </optional>
  </define>

  <!-- ... svg .................................................... -->
  <define name='svg'>
    <element name='svg'>
      <ref name='svg.AT'/>
      <zeroOrMore><ref name='svg.G.group'/></zeroOrMore>
    </element>
  </define>

  <define name='svg.AT' combine='interleave'>
    <ref name='svg.Properties.attr'/>
    <ref name='svg.FocusHighlight.attr'/>
    <ref name='svg.External.attr'/>
    <ref name='svg.Focus.attr'/>
    <ref name='svg.AnimateSyncDefault.attr'/>
    <ref name='svg.Core.attr'/>
    <!-- modified to XYWH for SVG 1.1 basic -->
    <ref name='svg.XYWH.attr'/>
    <ref name='svg.PAR.attr'/>
    <optional>
      <attribute name='viewBox' svg:animatable='true' svg:inheritable='false'>
        <text/>
      </attribute>
    </optional>
    <optional>
      <attribute name='zoomAndPan' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value>disable</value>
          <value>magnify</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='version' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value type='string'>1.0</value>
          <value type='string'>1.1</value>
          <value type='string'>1.2</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='baseProfile' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value type='string'>none</value>
          <value type='string'>tiny</value>
          <value type='string'>basic</value>
          <value type='string'>full</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='contentScriptType' svg:animatable='false' svg:inheritable='false'>
        <ref name='ContentType.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='snapshotTime' svg:animatable='false' svg:inheritable='false'>
				<choice>
					<value type='string'>none</value>
          <ref name='Clock.datatype'/>
				</choice>
			</attribute>
    </optional>
    <optional>
      <attribute name='timelineBegin' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value type='string'>onLoad</value>
          <value type='string'>onStart</value>
        </choice>
      </attribute>
    </optional>
    <optional>
      <attribute name='playbackOrder' svg:animatable='false' svg:inheritable='false'>
        <choice>
          <value type='string'>all</value>
          <value type='string'>forwardOnly</value>
        </choice>
      </attribute>
    </optional>
  </define>



  <!-- ... g ...................................................... -->
  <define name='g'>
    <element name='g'>
      <ref name='g.AT'/>
      <zeroOrMore><ref name='svg.G.group'/></zeroOrMore>
    </element>
  </define>

  <define name='g.AT' combine='interleave'>
    <ref name='svg.Properties.attr'/>
    <ref name='svg.FocusHighlight.attr'/>
    <ref name='svg.Core.attr'/>
    <ref name='svg.External.attr'/>
    <ref name='svg.Conditional.attr'/>
    <ref name='svg.Focus.attr'/>
    <ref name='svg.Transform.attr'/>
  </define>



  <!-- ... defs ................................................... -->
  <define name='defs'>
    <element name='defs'>
      <ref name='defs.AT'/>
      <zeroOrMore><ref name='svg.G.group'/></zeroOrMore>
    </element>
  </define>

  <define name='defs.AT' combine='interleave'>
    <ref name='svg.Properties.attr'/>
    <ref name='svg.Core.attr'/>
  </define>



  <!-- ... desc, title, metadata .................................. -->
  <define name='desc'>
    <element name='desc'>
      <ref name='DTM.AT'/>
      <ref name='DTM.CM'/>
    </element>
  </define>

  <define name='title'>
    <element name='title'>
      <ref name='DTM.AT'/>
      <ref name='DTM.CM'/>
    </element>
  </define>

  <define name='metadata'>
    <element name='metadata'>
      <ref name='DTM.AT'/>
      <ref name='DTM.CM'/>
    </element>
  </define>

  <define name='DTM.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
  </define>

  <define name='DTM.CM'>
    <text/>
  </define>



  <!-- ... use .................................................... -->
  <define name='use'>
    <element name='use'>
      <ref name='use.AT'/>
      <ref name='use.CM'/>
    </element>
  </define>

  <define name='use.AT' combine='interleave'>
    <ref name='svg.Properties.attr'/>
    <ref name='svg.FocusHighlight.attr'/>
    <ref name='svg.Core.attr'/>
    <ref name='svg.Conditional.attr'/>
    <ref name='svg.Transform.attr'/>
    <ref name='svg.XLinkEmbed.attr'/>
    <ref name='svg.Focus.attr'/>
    <ref name='svg.External.attr'/>
    <ref name='svg.XY.attr'/>
  </define>

  <define name='use.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
        <ref name='svg.Animate.group'/>
        <ref name='svg.Handler.group'/>
      </choice>
    </zeroOrMore>
  </define>

</grammar>