>> I was imprecise. I've meant to add some fuzziness control so that
>> a small squeeze doesn't cause a warning.
>
> Perhaps by "overshoot not visible to the eye" you did not mean that
> a table a little wider than the line length would not be noticed,
> but rather that a little squeezing wouldn't be noticed (in which
> case there wouldn't technically be an overshoot, if groff has
> managed to squeeze the table to the line width; that the "natural"
> width of the table is larger than the line length is only noticeable
> when the "expand" option is turned off).
Exactly.
Werner