DIRS=usainf gertest aratest chstest chttest chhtest gertest hebtest jpntest kortest
OPTIONAL_DIRS=arainf chsinf chtinf chhinf gerinf hebinf jpninf korinf necinf frinf esinf brinf nlinf svinf itinf psuinf elinf noinf fiinf dainf ptinf plinf csinf ruinf huinf trinf tstinf