|| replace radius
||Radius of circle in which lines forming path
considered for replacement must lie.
||Minimum straightness required for replacement.
||coverage filter on
||If #t, then minimum coverage and
minimum cumulative coverage thresholds apply.
||minimum cumulative coverage
||Minimum cumulative coverage (length weighted average across
|| Minimum coverage threshold.
||delta abstraction level maximum
||Maximum number of generations a line can be copied
||replace straightest path
||If #t, then straightest sufficiently
straight path is replaced, otherwise first sufficiently
straight path is replaced.