test/SVG/defs.xml

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG April 1999//EN" "http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
<svg width="4in" height="3in">
  <defs>
    <rect id="TemplateObject01" width="100" height="37.34"/>
    <lineargradient id="Gradient01">
      <gradientstop offset="30%" color="#39F"/>
    </lineargradient>
  </defs>
  <desc>Defining things for later use
  </desc>
  <!-- SVG elements in here would reference/use 
       the elements defined in the <defs> -->
</svg>