fill-rule

		
<svg width="200px"
	height="200px"
	viewBox="0 0 200 200"
	xmlns="http://www.w3.org/2000/svg"
	xmlns:xlink="http://www.w3.org/1999/xlink"
	version="1.1"
>
	<polygon style="fill-rule: nonezero; fill: yellow; stroke: black;"
		points="48,16  16,96  96,48  0,48  80,96" />
	<polygon style="fill-rule: evenodd; fill: yellow; stroke: black;"
		points="98,66  66,146  146,98  50,98  130,146" />
</svg>