Tue Aug  9 22:58:01 MDT 2005
  New files README.gjh and gjh.c, and corresponding updates to makefile.u
and makefile.vc.  README.gjh describes "solver" gjh, whose source is gjh.c,
which computes gradients, Jacobian matrices and Hessian matrices and makes
their values available in an AMPL session (via an "include" command).
