Tue Dec  2 20:37:41 MST 2008
  gjh.c: omit declaration of the unused w0 array.
  Add hist.c (a way to provide command-line history to interactive programs,
such as ampl).  Requires the GNU history and readline libraries.  For use with
ampl, invoke "hist ampl -vi2 ..." (where -vi2 causes prompts to appear).
