chromium/third_party/blink/web_tests/svg/custom/container-opacity-clip-viewBox.svg

<?xml version="1.0" encoding="utf-8"?>
<svg xmlns="http://www.w3.org/2000/svg">

<svg opacity=".9">
<g transform="matrix(1 0 0 1 59.5225 38.2007)">
<svg width="200" height="200" viewBox="-83 -84 200 200">
<rect x="-83" y="-84" width="166" height="148" fill="green"/>
</svg>
</g>
</svg>

    <g transform="matrix(1 0 0 1 50 230)" pointer-events="none" >
        <text>
            <tspan x="0" y="0">For this test case to be successful, the rect</tspan>
            <tspan x="0" y="15">above should be .9 transparant green and 200x200 pixels</tspan>
            <tspan x="0" y="30">Bug 11909</tspan>
        </text>
    </g>

</svg>