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+This directory contains interface routines for the spectral world
+coordinate systems. The interface has two functions. The first is to
+convert various input formats, including old formats, to one of the WCS
+formats used by the ONEDSPEC package. These are MULTISPEC, EQUISPEC, and
+NDSPEC. The second is to split large numbers of spectra which exceed the
+limits of the MWCS for a single WCS into a number of smaller WCS.