This software was developed at the National Institute of Standards and 
  Technology by employees of the Federal Government in the course of their 
  official duties.  Pursuant to title 17 Section 105 of the United States Code 
  this software is not subject to copyright protection and is in the public 
  domain. SCTK is an experimental system.  NIST assumes no responsibility 
  whatsoever for its use by other parties, and makes no guarantees, expressed or 
  implied, about its quality, reliability, or any other characteristic. We would 
  appreciate acknowledgement if the software is used.
  
  THIS SOFTWARE IS PROVIDED "AS IS."  With regard to this software, NIST MAKES NO 
  EXPRESS OR IMPLIED WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING 
  MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.