| <?xml version="1.0" standalone="yes"?> |
| <svg xmlns="http://www.w3.org/Graphics/SVG/svg-19990412.dtd" width="4in" height="3in"> |
| <desc>This example uses the switch element to provide a
|
| fallback graphical representation of an equation, if
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| MathML is not supported.
|
| </desc> |
| <!-- The <switch> element will process the first child element
|
| whose testing attributes evaluate to true.--> <switch> |
| <!-- Process the MathML if the system-required attribute
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| evaluates to true (i.e., the user agent supports MathML
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| embedded within SVG). --> <foreignobject system-required="http://www.w3.org/TR/REC-MathML-19980407" width="100" height="50"> |
| <!-- MathML content goes here --> </foreignobject> |
| <!-- Else, process the following alternate SVG.
|
| Note that there are no testing attributes on the <g> element.
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| If no testing attributes are provided, it is as if there
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| were testing attributes and they evaluated to true.--> <g> |
| <!-- Draw a red rectangle with a text string on top. --> <rect style="fill: red"/> |
| <text>Formula goes here</text> |
| </g> |
| </switch> |
| </svg> |
