&plot afigname='./plot_locnorm2.ps' afile='./d1990/sn1993j_IIb/dif/sn1993j_1993_04_15.dif' ! Test confirmed. The spectra overlap './d1990/sn1993j_IIb/dif/sn1993j_1993_04_15.p2.duff' ! to the eye. './d1990/sn1993j_IIb/dif/sn1993j_1993_04_15.p4.duff' './d1990/sn1993j_IIb/dif/sn1993j_1993_04_15.u.duff' idash=0,2,3,1, ifile=3 iformat=1,-1,-1,-1, ixlog=1 ! ixlog=0 xtick=-.2,-1. iylog=1 ! iylog=0 ytick=-.2,-2. scale=1.,1.1,1.2,1. scale=1.,1.,1.,1., ismooth=0 smooth_x=.00167,smooth_zone=1.d+30 title='\rm sn1993j 1993 04 15' v_helio=-39.,-39.,-39.,-39., ! Minus signs on the format statements prevent further shifting. xmin=1500. xmax=10000. ylabel='\rm Flux' ymin=.74 ymax=1.64 /