docs/images/after/convert-shapes.svg

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  <path id="rect1"
        d="M 10 10 H 90 V 90 H 10 Z"/>
  <path id="line1" stroke="red"
        d="M 10 90 L 90 10"/>
  <path id="polyline1" stroke="blue"
        fill="none"
        d="M 10 10 30 10 30 30
           50 30 50 50"/>
  <path id="polygon1" stroke="green"
        fill="none"
        d="M 10 10 10 30
           30 30 30 50 50 50 Z"/>
</svg>