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<!-- See: https://svgwg.org/svg2-draft/single-page.html#linking-SVGFragmentIdentifiers -->
Test for crbug.com/235256: viewSpec's ViewBoxParams.<br/>
There should be 1 green boxes below:<br/>
<object width="30" height="30" data="resources/viewspec-animated-viewbox.svg#svgView(viewBox(0,0,30,30))"></object>
<br/>
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