enum
{
U_and=128,
U_do,
U_else,
U_elseif,
U_end,
U_function,
U_if,
U_local,
U_nil,
U_not,
U_or,
U_repeat,
U_return,
U_then,
U_until,
U_while,
U_eq = '='+128,
U_le = '<'+128,
U_ge = '>'+128,
U_ne = '~'+128,
U_sc = '.'+128
};