addsets     coefs       flatfit     powercor    scombine    splot
      batchred    coincor     identify    process     sensfunc    standard
      bplot       continuum   lcalib      rebin       sinterp     subsets
      bswitch     dispcor     mkspec      refspectra  slist1d     sums
      calibrate   flatdiv     names       reidentify  specplot