How do I shade the region between two curves in Grapher?

How do I shade the region (or area) between two curves in Grapher? I'm looking for a way to do this in a 2D graph. The only example which comes close to this is the "Evaluation and Integration" example, but I can't figure it out. For example, I would like to shade the region bound by these two curves: y = x^2 - 2 y = 0 I'm assuming it's possible based on this comment .