pr -l 63 exprRecFuncList.lua     >exprRecFuncList.pr
pr -l 63 exprRecFuncRecord.lua   >exprRecFuncRecord.pr
pr -l 63 exprEvalTable.lua       >exprEvalTable.pr
pr -l 63 exprObjBased.lua        >exprObjBased.pr
pr -l 63 exprObjInherit.lua      >exprObjInherit.pr
chmod 644 *.lua *.pr