gonum.org/v1/gonum@v0.14.0/graph/formats/gexf12/testdata/viz.gexf

<?xml version="1.0" encoding="UTF-8"?>
<gexf xmlns="http://www.gexf.net/1.2draft" xmlns:viz="http://www.gexf.net/1.2draft/viz" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/gexf.xsd" version="1.2">
    <graph>
        <nodes>
            <node id="a" label="glossy">
				<viz:color r="239" g="173" b="66" a="0.6"/>
				<viz:position x="15.783598" y="40.109245" z="0.0"/>
				<viz:size value="2.0375757"/>
		    </node>
        </nodes>
    </graph>
</gexf>