I constantly have to look up the arc syntax in the spec, actually. It also has other shortcomings, e.g. having the same start and end point does not work. To dr

I constantly have to look up the arc syntax in the spec, actually. It also has other shortcomings, e.g. having the same start and end point does not work. To draw a whole ellipse you need two arcs. SVG 2 has it on the roadmap to simplify arcs for manual writing. Not that it's going to be finished soon, though.