let cval = extract_esc_part(code, bits, MAX_LUT_BITS, mode);
add_esc_code(&mut escape_list, ckey, cval, bits - MAX_LUT_BITS, symidx);
}
let cval = extract_esc_part(code, bits, MAX_LUT_BITS, mode);
add_esc_code(&mut escape_list, ckey, cval, bits - MAX_LUT_BITS, symidx);
}