How to download and try this example
Usage: pl -gif drawcom.htm
#proc page pagesize: 8.5 11 #proc drawcommands commands: color blue linetype 0 2 1 mov 1 9 lin 2 9 lin 1.5 10 lin 1 9 cblock 3 9 5 10 yelloworange 1 mark 2.4 9.5 sym9agreen .5 mov 1 9.5 lin 5 9.5 #proc areadef rectangle: 1 7 5 9 xrange: 0 40 yrange: 0 25 #proc drawcommands file: drawcom.dcm