Posted by Rallaz on Dec 24, 2012; 4:21pm
URL: https://forum.librecad.org/Offset-for-objects-and-polylines-tp5707341p5707342.html

Using "Polylines, Equidistant":
Original polyline are open? result polyline are open
Original polyline are closed? result polyline are closed

Note:
A polyline is closed if the "closed flag" is set clicking in close button on draw
or in modify->properties