78Outline drawing options:Smooth outline Allows one to select between non-anti-aliased and anti-aliased rendering of the outline:Mask and inactive masters are smooth tooIf enabled, the Mask layer and inactive masters in a MM font are also anti-aliasedShow contour directionAn outline consists of several contours and each contour is directional. The direction of the contour is marked with a small arrow:Leave echo while editingWhen editing contours the original contours shape/position is shown gray:Fill open contours When this option is off, the open contour appears unfilled in fill outline (preview) mode:User Interface