text: //////////////////////////////////////////////////////////////////////////////
  // NOTICE:
  //
  // ADLib, Prop and their related set of tools and documentation are in the 
  // public domain.   The author(s) of this software reserve no copyrights on 
  // the source code and any code generated using the tools.  You are encouraged
  // to use ADLib and Prop to develop software, in both academic and commercial
  // settings, and are free to incorporate any part of ADLib and Prop into
  // your programs.
  //
  // Although you are under no obligation to do so, we strongly recommend that 
  // you give away all software developed using our tools.
  //
  // We also ask that credit be given to us when ADLib and/or Prop are used in 
  // your programs, and that this notice be preserved intact in all the source 
  // code.
  //
  // This software is still under development and we welcome any suggestions 
  // and help from the users.
  //
  // Allen Leung 
  // 1994
  //////////////////////////////////////////////////////////////////////////////
  
  #include <AD/trees/bnmqueue.h>
  