PRO time_stamp,_EXTRA=e
;
; Copy system time to a text file, read it in, and write it unobtrusively
; on the corner of the plot.
;
; SPAWN,'date',date
date=SYSTIME(0)
XYOUTS,!P.CLIP(2)+!D.Y_CH_SIZE,!P.CLIP(1),date, $
       /DEVICE,ALIGNMENT=0.0,ORIENTATION=90,_EXTRA=e
RETURN
END