(C) Copyright 1992,1995 UCAR/Unidata Permission to use, copy, modify, and distribute this software and its documentation for any purpose without fee is hereby granted, provided that the above copyright notice appears in all copies, that both that copyright notice and this permission notice appear in supporting documentation, and that the name of UCAR/Unidata not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. UCAR makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. It is provided with no support and without obligation on the part of UCAR or Unidata, to assist in its use, correction, modification, or enhancement.