<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg">
    <title>Markers and zero-length 'path' and 'line' segments, when linecaps must be drawn for such segments.</title>
    <defs>
        <marker id="testMarker" viewBox="0 0 10 10">
            <rect width="10" height="10" fill="green" opacity="0.5"/>
        </marker>
    </defs>
    <path d="m 50 50 l 0 0" stroke="red" stroke-width="25" stroke-linecap="round" marker-end="url(#testMarker)"/>
    <path d="m 150 50 l 0 0" stroke="red" stroke-width="25" stroke-linecap="square" marker-end="url(#testMarker)"/>
</svg>