Thanks for the debugging! Per the SVG specification http://www.w3.org/TR/SVG/paths.html , elliptical arcs with negative radii are actually not valid. But everyone else seems to render them anyway.
Thanks for the debugging! Per the SVG specification http:// www.w3. org/TR/ SVG/paths. html , elliptical arcs with negative radii are actually not valid. But everyone else seems to render them anyway.