Revision control
++ <svg version="1.1" width="400" height="480" viewBox="0 0 100 120" xmlns="http://www.w3.org/2000/svg">
++ <g transform="translate(10,15)">
++ <polyline points="0,0 0,0" stroke-width="15" stroke="cyan" stroke-linecap="square"/>
++ <polyline points="30,0 30,0" stroke-width="15" stroke="cyan" stroke-linecap="round"/>
++ <polyline points="60,0 60,0" stroke-width="15" stroke="cyan" stroke-linecap="butt"/>
++ </g>
++ <g transform="translate(10, 45)">
++ <path d="M0,0 h0" stroke-width="15" stroke="yellow" stroke-linecap="square"/>
++ <path d="M30,0 h0" stroke-width="15" stroke="yellow" stroke-linecap="round"/>
++ <path d="M60,0 h0" stroke-width="15" stroke="yellow" stroke-linecap="butt"/>
++ </g>
++ <g transform="translate(10, 75)">
++ <line x1="0" y1="0" x2="0" y2="0" stroke-width="15" stroke="red" stroke-linecap="square"/>
++ <line x1="30" y1="0" x2="30" y2="0" stroke-width="15" stroke="red" stroke-linecap="round"/>
++ <line x1="60" y1="0" x2="60" y2="0" stroke-width="15" stroke="red" stroke-linecap="butt"/>
++ </g>
++ <g transform="translate(10, 105)">
++ <polygon points="0,0 0,0" stroke-width="15" stroke="green" stroke-linecap="square"/>
++ <polygon points="30,0, 30,0" stroke-width="15" stroke="green" stroke-linecap="round"/>
++ <polygon points="60,0, 60,0" stroke-width="15" stroke="green" stroke-linecap="butt"/>
++ </g>
++ </svg>