css/css-masking/clip-path-svg-content/mask-nested-clip-path-005.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:html="http://www.w3.org/1999/xhtml">
<g id="testmeta">
	<title>CSS Masking: clipPath and mask nesting 5</title>
	<html:link rel="author" title="Dirk Schulze" href="mailto:dschulze@adobe.com"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#svg-clipping-paths"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#ClipPathElement"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#svg-masks"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#MaskElement"/>
	<html:link rel="match" href="reference/mask-nested-clip-path-002-ref.svg" />
	<metadata class="flags">svg</metadata>
	<desc class="assert">Multiple references between clipPath and
	mask elements. You should see 4 equally sized and positioned green
	squares.</desc>
</g>
<clipPath id="clip1" clipPathUnits="objectBoundingBox">
	<rect x="0.1" y="0.1" width="0.3" height="0.3"/>
	<rect x="0.1" y="0.6" width="0.3" height="0.3"/>
</clipPath>

<clipPath id="clip2" clipPathUnits="objectBoundingBox">
	<rect x="0.6" y="0.1" width="0.3" height="0.3"/>
	<rect x="0.6" y="0.6" width="0.3" height="0.3"/>
</clipPath>

<clipPath id="clip" clipPathUnits="objectBoundingBox">
	<rect x="0" y="0" width="1" height="1" clip-path="url(#clip1)"/>
	<rect x="0" y="0" width="1" height="1" clip-path="url(#clip2)"/>
</clipPath>

<mask id="mask2" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox">
	<rect x="0" y="0" width="1" height="1" fill="white" clip-path="url(#clip)" />
</mask>

<rect width="200" height="200" fill="green" mask="url(#mask2)"/>
</svg>