> However, notice that:
>
> show(circle((0,0),radius=.05)+plot(sin(x),(-pi,+pi)),
> aspect_ratio=1,frame=True,axes=True)
>
> and
>
> var('x,y')
> density_plot(1/(x^10+y^10), (x, -10, 10), (y, -10, 10),frame=True,axes=True)
>
> both look correct.  So it looks like there might be a problem in the
> codepath dealing with axes without frames.

???

density_plot(1/(x^10+y^10), (x, -10, 10), (y, -10, 10),frame=True)

has (in the middle) 10 non-black pixels above the x-axis and 9 below
it, with the lightest ones off-center, which is better than the 11
above versus 8 below we get with the original plot, but still could be
considered a problem, I suppose.  So frames might have something to do
with it, but I'm not sure.  Or are the axes incorrectly positioned (I
don't know how we would know, but anyway).

- kcrisman

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