I notice that when generating several plots, they are
> cascaded upon one another, one slightly to the right and
> below of the previous one. However, when the plots get
> near the bottom of the screen, they keep cascading even
> when only the top of the plot can be seen. Should the
> cascading not reset when the *bottom* of a frame touches
> the bottom of the screen, and not the top?
> Also, when the previous plot disappears prior to the
> current plot, is there any need to cascade them at all?
> Currently, the plots cascade even when prior plots have
> disappeared.
Me thinks this is backend dependent behavior, since we don't do
anything explicit here we fall back on the default behavior for each
backend. Backend dependent patches welcome!
JDH