replaced id, var, tid, tvar by idT, varT, tidT, tvarT;
added const, free, var: build atomic terms of dummyT;
added 'xnum' (signed numerals) and 'xstr' (strings) token kinds;
various minor internal changes;
#! /bin/sh
#Make entire system using Standard ML of New Jersey
#Pathnames will have to be modified for your site
ISABELLEBIN=/homes/`whoami`/bin
ISABELLECOMP=sml
export ISABELLEBIN ISABELLECOMP
nohup make-all $*