Gradients already aren't continuous where the start and end points are equal. I think it would be OK to draw nothing as Aryeh suggests. At least it's easy to spec and implement, and I doubt authors will care (they haven't cared about the browser behaviors so far AFAIK).
- [whatwg] <canvas> drawing with singular transforms... Robert O'Callahan
- Re: [whatwg] <canvas> drawing with singular t... Robert O'Callahan
- Re: [whatwg] <canvas> drawing with singular t... Aryeh Gregor
- Re: [whatwg] <canvas> drawing with singul... Robert O'Callahan
- Re: [whatwg] <canvas> drawing with si... Aryeh Gregor
- Re: [whatwg] <canvas> drawing wit... Boris Zbarsky
- Re: [whatwg] <canvas> drawin... Robert O'Callahan
- Re: [whatwg] <canvas> dr... Boris Zbarsky
- Re: [whatwg] <canvas>... Robert O'Callahan
- Re: [whatwg] <canvas> dr... Tab Atkins Jr.
- Re: [whatwg] <canvas>... Robert O'Callahan
- Re: [whatwg] <canvas> drawing with singul... Robert O'Callahan
- Re: [whatwg] <canvas> drawing with si... Tab Atkins Jr.
- Re: [whatwg] <canvas> drawing with si... Ian Hickson