mkdir ../rev20
cp *.[hC] ../rev20
cp makefile* ../rev20
cp ground.obj ../rev20
cp critter.obj ../rev20
cp worldfile* ../rev20
cp *.wf ../rev20
cp to. ../rev20
cp rm. ../rev20
cp dependencies ../rev20
cp dependfile ../rev20
cp newrev ../rev20
cp *.o ../rev20
cp README ../rev20
cp readme.exp.tmplt ../rev20
cp readme.exp.tmplt ../rev20/README.experiments
