<svg id="svg-root" width="450" height="450" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg" >
     <title id="test-title">animation-extRef-BE-13</title>
     <desc id="test-desc">Test 'additive' and 'accumulate' attributes.</desc>
     <g id="test-body-content">
          <rect style="fill:none;stroke:black;stroke-width:1;" x="43" y="78" width="364" height="124"/>
          <image x="45" y="80" width="360" height="120" xlink:href="animation-extRef-image1.svg">
               <animate attributeName="xlink:href" begin="0s" dur="20s" values="animation-extRef-image1.svg;animation-extRef-image2.svg;animation-extRef-image3.svg" fill="freeze" keyTimes="0;0.5;1"/>
          </image>
          <text x="225" y="30" style="font-size:20;text-anchor:middle;"> Animation within an animated image</text>
          <g style="fill:none;stroke-width:4;">
               <line x1="45" y1="240" x2="165" y2="240" style="stroke:lightgreen;"/>
               <line x1="45" y1="270" x2="285" y2="270" style="stroke:blue;"/>
               <line x1="45" y1="300" x2="405" y2="300" style="stroke:red;"/>
          </g>
          <polygon transform="translate(168, 241)" style="fill:lightgreen;" points="0,0 -8,-8 -8,8"/>
          <polygon transform="translate(288, 271)" style="fill:blue;" points="0,0 -8,-8 -8,8"/>
          <polygon transform="translate(168, 271)" style="fill:blue;" points="0,0 -8,-8 -8,8"/>
          <polygon transform="translate(408, 301)" style="fill:red;" points="0,0 -8,-8 -8,8"/>
          <polygon transform="translate(288, 301)" style="fill:red;" points="0,0 -8,-8 -8,8"/>
          <polygon transform="translate(168, 301)" style="fill:red;" points="0,0 -8,-8 -8,8"/>
          <text x="23" y="245" style="font-size:14;">1</text>
          <text x="23" y="275" style="font-size:14;">2</text>
          <text x="23" y="305" style="font-size:14;">3</text>
     </g>
     <g id="test-legend" style="fill:black;font-family:Helvetica;font-size:10;">
          <rect x="10" y="390" width="275" height="50" style="fill:none;stroke:#000000;"/>
          <path style="fill:none;stroke:#000000;" d="M10 405 h275 M205 405 v35 M10 426 h195 M205 422 h80"/>
          <text x="25" y="401">Scalable Vector Graphics (SVG) Conformance Suite</text>
          <a xlink:href="copyright-documents-19990405.html">
               <text x="12" y="437" style="fill:blue;">Copyright 2000 W3C. All Rights Reserved.</text>
          </a>
          <text style="font-size:12;" x="35" y="420">animation-extRef-BE-13</text>
          <text style="font-size:10;" x="210" y="417">$Revision: 1.1 $</text>
          <text style="font-size:10;" x="210" y="435">Release 2.0</text>
          <rect id="test-frame" x="1" y="1" width="448" height="448" style="fill:none;stroke:#000000;"/>
     </g>
</svg>