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<?xml version="1.0" encoding="utf-8"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="500px" height="500px" viewBox="0 0 500 500">
<title>Drag and drop of overlapping SVG links</title>
<a xlink:href="data:text/plain,1">
<rect x="10" y="10" width="100" height="100" fill="silver"/>
</a>
<a xlink:href="data:text/plain,2">
<rect x="10" y="10" width="100" height="100" fill="gray"/>
</a>
<rect x="160" y="10" width="100" height="100" fill="green"/>
<rect x="310" y="10" width="100" height="100" fill="maroon"/>
<textArea x="10" y="200" width="480" height="200" font-size="30">Try to drag gray boxe above. Drag feedback should be green, not red.</textArea>
<script type="application/ecmascript">
var a = document.querySelectorAll('a');
a[0].addEventListener('dragstart',
function (event)
{event.dataTransfer.effectAllowed = 'copy';
event.dataTransfer.setDragImage(document.querySelectorAll('rect')[3], 50, 50);}
,false);
a[1].addEventListener('dragstart',
function (event)
{event.dataTransfer.effectAllowed = 'copy';
event.dataTransfer.setDragImage(document.querySelectorAll('rect')[2], 50, 50);}
,false);
</script>
</svg>
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