<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<title>Filtered rectangle should be at position 0x0</title>
<rect id="rect"  width="100" height="100" fill="green"/>
<filter id="filter" >
    <feImage x="0%" y="0%" width="100%" height="100%" xlink:href="#rect"/>
</filter>
</defs>
<rect width="400" height="200" fill="green" filter="url(#filter)"/>
</svg>