<!-- ==============================================================
      SVG12-RNG | Tiny Fonts
     ============================================================== -->

<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'
         >


  <define name='svg.GCommon.group' combine='choice'>
    <choice>
      <ref name='font'/>
      <ref name='font-face'/>
    </choice>
  </define>


  <define name='svg.FontAdvOrigCommon.attr' combine='interleave'>
    <optional>
      <attribute name='horiz-adv-x' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
  </define>


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

  <define name='font.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.External.attr'/>
    <ref name='svg.FontAdvOrigCommon.attr'/>
    <optional>
      <attribute name='horiz-origin-x' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
  </define>

  <define name='font.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
        <ref name='font-face'/>
        <ref name='missing-glyph'/>
        <ref name='glyph'/>
        <ref name='hkern'/>
      </choice>
    </zeroOrMore>
  </define>




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

  <define name='font-face.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.External.attr'/>
    <optional><attribute name='font-family' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='font-style' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='font-weight' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='font-variant' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='font-stretch' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='unicode-range' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='panose-1' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='widths' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='bbox' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='units-per-em' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='stemv' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='stemh' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='slope' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='cap-height' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='x-height' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='accent-height' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='ascent' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='descent' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='ideographic' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='alphabetic' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='mathematical' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='hanging' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='underline-position' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='underline-thickness' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='strikethrough-position' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='strikethrough-thickness' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='overline-position' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
    <optional>
      <attribute name='overline-thickness' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
  </define>

  <define name='font-face.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
        <ref name='font-face-src'/>
      </choice>
    </zeroOrMore>
  </define>



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

  <define name='glyph.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.FontAdvOrigCommon.attr'/>
    <ref name='svg.D.attr'/>
    <optional>
      <attribute name='unicode' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='glyph-name' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional><attribute name='arabic-form' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='lang' svg:animatable='false' svg:inheritable='false'>
        <ref name='LanguageIDs.datatype'/>
      </attribute>
    </optional>
  </define>

  <define name='glyph.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
      </choice>
    </zeroOrMore>
  </define>



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

  <define name='missing-glyph.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.FontAdvOrigCommon.attr'/>
    <ref name='svg.D.attr'/>
  </define>

  <define name='missing-glyph.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
      </choice>
    </zeroOrMore>
  </define>



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

  <define name='hkern.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <optional>
      <attribute name='u1' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='g1' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='u2' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='g2' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
    <optional>
      <attribute name='k' svg:animatable='false' svg:inheritable='false'>
        <ref name='Number.datatype'/>
      </attribute>
    </optional>
  </define>

  <define name='hkern.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
      </choice>
    </zeroOrMore>
  </define>



  <!-- ... font-face-src .......................................... -->
  <define name='font-face-src'>
    <element name='font-face-src'>
      <ref name='font-face-src.AT'/>
      <ref name='font-face-src.CM'/>
    </element>
  </define>

  <define name='font-face-src.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
  </define>

  <define name='font-face-src.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
        <ref name='font-face-uri'/>
        <ref name='font-face-name'/>
      </choice>
    </zeroOrMore>
  </define>



  <!-- ... font-face-uri .......................................... -->
  <define name='font-face-uri'>
    <element name='font-face-uri'>
      <ref name='font-face-uri.AT'/>
      <ref name='font-face-uri.CM'/>
    </element>
  </define>

  <define name='font-face-uri.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <ref name='svg.XLinkRequired.attr'/>
    <ref name='svg.External.attr'/>
  </define>

  <define name='font-face-uri.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
      </choice>
    </zeroOrMore>
  </define>



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

  <define name='font-face-name.AT' combine='interleave'>
    <ref name='svg.Core.attr'/>
    <optional>
      <attribute name='name' svg:animatable='false' svg:inheritable='false'><text/></attribute>
    </optional>
  </define>

  <define name='font-face-name.CM'>
    <zeroOrMore>
      <choice>
        <ref name='svg.Desc.group'/>
      </choice>
    </zeroOrMore>
  </define>

</grammar>