// Usage: pl -gif axis9a.htm // MMDDYY date units in X, one stub every three months #proc areadef rectangle: 1 1 5 2 xscaletype: date xrange: 010199 040100 yrange: 0 1 #proc xaxis stubs: incremental 3 month stubformat: MMMyy // go back and put a tic at each month #proc xaxis stubs: none ticincrement: 1 month