added pretty_sg;
added infer_types;
removed subclasses arg of add_classes;
removed old 'extend' and related stuff;
various minor internal changes;
#! /bin/sh
#Make entire system using Poly/ML
#Pathnames will have to be modified for your site
ML_DBASE=/usr/groups/theory/poly/`arch`/ML_dbase
ISABELLEBIN=/homes/`whoami`/bin
ISABELLECOMP="poly -noDisplay -h 15000"
export ML_DBASE ISABELLEBIN ISABELLECOMP
nohup make-all $*