<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG April 1999//EN" "http://www.w3.org/Graphics/SVG/svg-19990412.dtd">
<svg width="4in" height="3in">
<desc>Example of using a mask
</desc>
<g>
<defs>
<image id="MyMask" href="transp.png"/>
</defs>
<rect style="mask: url(#MyMask)" width="12.5" height="30"/>
</g>
</svg>