- to create new dot press "n" - to delete dot press "d" and click toucing it with mouse (when you will be able to delete some line it will turn magenta) - to delete line press "d" and click toucing it with mouse (when you will be able to delete some line it will turn green) - to make new line press "l" on first dot hold mouse and release on second dot -to clear screen press "c" - to insert dot into line just press "n" on green line
please understand that this is still in the development