problems with groff in FreeBSD 6.0 buildworld

[Telegin Gennady]

Lines from 688 to 700:

void
savebounds(double x,
	   double y)
{
  if (x < leftpoint)
    leftpoint = x;
  if (x > rightpoint)
    rightpoint = x;
  if (y < toppoint)
    toppoint = y;
  if (y > bottompoint)
    bottompoint = y;
}