e">sweepAngle</span></span>)
    </section>
    <section class="desc markdown">
      <p>Adds a new subpath with one arc segment that consists of the arc
that follows the edge of the oval bounded by the given
rectangle, from startAngle radians around the oval up to
startAngle + sweepAngle radians around the oval, with zero
radians being the point on the right hand side of the oval that
crosses the horizontal line that intersects the center of the
rectangle and with positive angles going clockwise around the