What-ho Ted!
> The first (plain black outline) circle is correctly placed with its
> centre at (0,0).
>
> The second (pure green circle corresponding to i=0) is displaced some
> distance above the point (0,0).
With
GNU groff version 1.20.1
Ubuntu's groff 1.20.1-10
I get a `bullseye' of green circles around 0, 0, see pic's output below.
You could feed it into groff you end and also compare with your pic's
output.
Cheers, Ralph.
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.if !dPE .ds PE
.lf 1 -
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