<svg xmlns="http://www.w3.org/2000/svg"> | |
<filter id="f1"> | |
<feConvolveMatrix order="3" targetY="4" kernelMatrix="0 1 0 1 1 1 0 1 0"/> | |
</filter> | |
<text x="20" y="20">Test PASSES if it does not crash and has no red rectangle.</text> | |
<g filter="url(#f1)"> | |
<rect x="0" y="0" width="50" height="50" fill="red" /> | |
</g> | |
</svg> |