| <svg xmlns="http://www.w3.org/2000/svg" |
| xmlns:xlink="http://www.w3.org/1999/xlink"> |
| <defs> |
| <mask id="mymask" x="0" y="0" width="100px" height="100px"> |
| <rect x="0" y="0" width="100px" height="100px" fill='white'/> |
| </mask> |
| </defs> |
| |
| <rect fill="blue" height="100px" width="100px"/> |
| |
| <g mask="url(#mymask)" visibility='hidden'> |
| <g visibility='visible'> |
| <rect x="0" y="0" width="200px" height="200px" fill="red"/> |
| <rect visibility="visible" x="0" y="0" width="100px" height="100px" fill="green"/> |
| </g> |
| <rect x="0" y="0" width="100px" height="100px" fill="red"/> |
| </g> |
| </svg> |
