<?xml version="1.0"?>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg version="1.1" xmlns="http://www.w3.org/2000/svg">
	<title>Reference for dynamic rect changes with filters</title>
	<!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=423998 -->
	<filter id="shadow" filterUnits="objectBoundingBox">
		<feGaussianBlur in="SourceAlpha" stdDeviation="5"/>
	</filter>
	<g filter="url(#shadow)">
	<rect x="50" y="100" width="50" height="50"/>
	<rect x="200" y="100" width="50" height="50"/>
	</g>
</svg>