<?xml version="1.0" ?> <svg xmlns = "http://www.w3.org/2000/svg" version = "1.1" width = "500" height = "500" > <line x1 = "15" y1 = "15" x2 = "485" y2 = "485" stroke = "#f73" stroke-width = "5" /> </svg>
<marker>
which allows to define an arrowhead for a line.