<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
     xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Testing invalid values for |viewBox| attribute</title>
  <defs>
    <rect id="redRect"  fill="red"  height="10" width="10"/>
    <rect id="limeRect" fill="lime" height="10" width="10"/>
  </defs>
  <rect fill="lime" height="100%" width="100%"/>

  <!-- SUMMARY: Each <svg> subdocument below has an invalid viewBox. If we
       honor the invalid viewBox (ignoring typos), that will make us scale
       the <use>'d redRect to appear larger than the limeRect, and we'll have
       some red showing (and we'll fail the test). -->

  <!-- First row: Initial comma(s) -->
  <g transform="translate(0, 0)">
    <g transform="translate(0, 0)">
      <svg width="20" height="20" viewBox=",0,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(40, 0)">
      <svg width="20" height="20" viewBox=",,0,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(80, 0)">
      <svg width="20" height="20" viewBox=", ,0,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(120, 0)">
      <svg width="20" height="20" viewBox=", 0,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(160, 0)">
      <svg width="20" height="20" viewBox=",,, 0,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
  </g>
  <!-- Second row: Trailing comma(s) -->
  <g transform="translate(0, 40)">
    <g transform="translate(0, 0)">
      <svg width="20" height="20" viewBox="0,0,1,1,">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(40, 0)">
      <svg width="20" height="20" viewBox="0,0,1,1 ,">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(80, 0)">
      <svg width="20" height="20" viewBox="0,0,1,1,,">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(120, 0)">
      <svg width="20" height="20" viewBox="0,0,1,1, ,">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(160, 0)">
      <svg width="20" height="20" viewBox="0,0,1,1 ,,,">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
  </g>
  <!-- Third row: Repeated commas in the middle -->
  <g transform="translate(0, 80)">
    <g transform="translate(0, 0)">
      <svg width="20" height="20" viewBox="0,,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(40, 0)">
      <svg width="20" height="20" viewBox="0,,,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(80, 0)">
      <svg width="20" height="20" viewBox="0, ,0,1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(120, 0)">
      <svg width="20" height="20" viewBox="0 0,, 1,1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(160, 0)">
      <svg width="20" height="20" viewBox="0 0,,1 1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
  </g>
  <!-- Fourth row: wrong number of values -->
  <g transform="translate(0, 120)">
    <g transform="translate(0, 0)">
      <svg width="20" height="20" viewBox="">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(40, 0)">
      <svg width="20" height="20" viewBox="0">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(80, 0)">
      <svg width="20" height="20" viewBox="0 0">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(120, 0)">
      <svg width="20" height="20" viewBox="0 0 1">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
    <g transform="translate(160, 0)">
      <svg width="20" height="20" viewBox="0 0 1 1 1 ">
        <use xlink:href="#redRect"/>
      </svg><use xlink:href="#limeRect"/>
    </g>
  </g>
</svg>