roke-linecap="butt"
        stroke-linejoin="round" />
  <path d="M240,50 h20 h-20" stroke="yellow"  stroke-linecap="round"
        stroke-linejoin="round" />
  <path d="M240,80 h20 h-20" stroke="blue"  stroke-linecap="square"
        stroke-linejoin="round" />

  <!-- Closed lines. -->
  <path d="M290,20 h20 z" stroke="red" stroke-linecap="butt"
        stroke-linejoin="miter" />
  <path d="M290,50 h20 z" stroke="yellow"  stroke-linecap="round"
        stroke-linejoin="round" />
  <path d="M290,80 h20 z" s