display.lty: Display Available Line Styles and Colour Codes
Description
Displays the line styles and colours corresponding to lty = 1 to 9 and colr = 1 to 9, respectively.Details
Several rgr functions that plot boxes or polygons may have their default infill colour of grey, colr = 8, changed to an alternate colour, colr = 1 to 7 or 9. For no infill colour, set colr = 0.