<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>&#x3c;symbol&#x3e; with a gradient inside</title>
  <h:link rel="help" href="https://www.w3.org/TR/SVG2/struct.html#SymbolElement"/>
  <h:link rel="match" href="reference/green-100x100.svg"/>
  <rect fill="url(#a)" width="100" height="100"/>
  <symbol>
    <linearGradient id="a">
      <stop offset="5%" stop-color="green" />
    </linearGradient>
  </symbol>
</svg>