<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg">

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	  <marker style="overflow: visible" id="m1" orient="auto" markerUnits="strokeWidth">
		  <rect width="100%" height="100%" fill="blue"/>
	  </marker>
  </defs>

	
  <rect width="100%" height="100%" fill="yellow"/>
	
  <line x1="30" x2="30" y1="10" y2="10" stroke="red" stroke-width="3" marker-end="url(#m1)"/>

</svg>