<bindings xmlns="http://www.mozilla.org/xbl">
  <binding id="lime">
    <resources>

      <!-- don't need <svg> - only used to eliminate its omission as a problem -->

      <svg xmlns="http://www.w3.org/2000/svg">
        <linearGradient xmlns="http://www.w3.org/2000/svg"
                        id="grad" gradientUnits="userSpaceOnUse">
          <stop stop-color="lime"/>
        </linearGradient>
      </svg>

    </resources>
    <content>
      <children/>
      <rect xmlns="http://www.w3.org/2000/svg"
            width="100%" height="100%" fill="url(#grad)"/>
    </content>
  </binding>
</bindings>