| <!DOCTYPE HTML> | |
| <html> | |
| <body> | |
| <p>The test passes if you see a green square.</p> | |
| <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="200px" height="200px"> | |
| <defs> | |
| <mask id="Mask"> | |
| <rect x="0" y="0" width="100" height="100" fill="white" /> | |
| </mask> | |
| </defs> | |
| <g id="isolator" mask="url(#Mask)"> | |
| <rect x="0" y="0" width="200" height="200" style="fill: green;"/> | |
| </g> | |
| </svg> | |
| </body> | |
| </html> |