commented thms_unifying_with out; placed thm_db into signature again;
placed structures ThmDB and Readthy into Pure again;
changed init_thy_reader so that thm_db and loaded_thys are preserved
(necessary e.g. for ZF)
#! /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 $*