<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg">
<rect x="100" y="100" width="100" height="100" fill="red"/>
<path fill="green" d="
m 100 100
l 50 0
l 0 100
l -50 0
l 0 -100
m 50 0
z
l 50 0
l 0 100
l -50 0
z"/>
</svg>