Table 1 Simple drawing language

p    (lower p) - pick up the pen; subsequent moves do not mark the
     drawing surface
P    (upper p) - put down the pen; subsequent moves mark the drawing
     surface
c    set pen color to the value which follows: R=red, G=green,
     B=blue, b=black
     Example: cR - set pen to color red
w    set pen width to the value which follows: T=thin, M=medium, F=fat
     Example: wF - set pen width to fat
%x   move to X coordinate specified by the next parameter
%y   move to Y coordinate specified by the next parameter