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<!DOCTYPE html>
<html>
<body>
<h2>SVG marker Element</h2>
<svg height="250" width="350" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <marker id="circle" markerWidth="8" markerHeight="8" refX="5" refY="5">
      <circle cx="5" cy="5" r="3" fill="black" />
    </marker>
    <marker id="arrow" markerWidth="10" markerHeight="10" refX="5" refY="5" orient="auto">
      <path d="M 0 0 L 10 5 L 0 10 z" fill="black" />
    </marker>
  </defs>
  <line x1="10" y1="10" x2="300" y2="200" stroke="red" stroke-width="3" marker-start="url(#circle)" marker-end="url(#arrow)" />
  Sorry, your browser does not support inline SVG.
</svg>
 
</body>
</html>