gecko-dev/layout/reftests/svg/viewBox-and-symbol-01.svg

<svg xmlns="http://www.w3.org/2000/svg">
  <defs>
    <symbol id="mySymbol" viewBox="0 0 20 20">
      <rect fill="lime" x="50%" height="20px" width="3%"/>
    </symbol>
  </defs>
  <rect width="100%" height="100%" fill="lime"/>
  <svg viewBox="0 0 20 20">
    <rect fill="red" x="50%" height="20px" width="2%"/>
  </svg>
  <svg>
    <use href="#mySymbol"/>
  </svg>
</svg>
Bug 1398806 - GetCtx and GetNearestViewport should return the nearest svg or symbol element which is now an SVGViewportElement rather than only returning the nearest svg element because a symbol establishes a viewport too. r=dholbert 2017-10-10 06:58:34 +00:00			`<svg xmlns="http://www.w3.org/2000/svg">`
			`<defs>`
			`<symbol id="mySymbol" viewBox="0 0 20 20">`
			`<rect fill="lime" x="50%" height="20px" width="3%"/>`
			`</symbol>`
			`</defs>`
			`<rect width="100%" height="100%" fill="lime"/>`
			`<svg viewBox="0 0 20 20">`
			`<rect fill="red" x="50%" height="20px" width="2%"/>`
			`</svg>`
			`<svg>`
			`<use href="#mySymbol"/>`
			`</svg>`
			`</svg>`