For example line 2i means draw a line 2 inches long in the current direction. The maximum width and height of the picture are taken from the variables maxpswid and maxpsht . Initially these have values 8.5 and 11. Scientific notation is allowed for numbers. There is no limit to the depth to which blocks can be examined.
Arcs now have compass points determined by the circle of which the arc is a part.
Circles and arcs can be dotted or dashed. Boxes can have rounded corners. The rad attribute specifies the radius of the quarter-circles at each corner. If no rad or diam attribute is given, a radius of boxrad is used. Initially, boxrad has a value of 0.