Keyboard shortcuts -
the selected polygon to points marked in the image. If only a single
point is marked, the polygon is moved, centered around the point.
If the tool dialog is not open, the first polygon is set.
the numbered polygon to points marked in the image. If only a single
point is marked, the polygon is moved, centered around the point. If
a new polygon is defined this way, any missing polygons in between
are set as empty.
the numbered polygon (sets empty).
Shortcut to the 'Paste new' button if the "Setup/Polygons" page is
visible, or shortcut to the 'Add polygon' button on the "Setup/Add
polygon" page if that page is visible.