OPT__COMPR('0', &compression_level, "store only", 0),
OPT__COMPR('1', &compression_level, "compress faster", 1),
OPT__COMPR_HIDDEN('2', &compression_level, 2),
OPT__COMPR('0', &compression_level, "store only", 0),
OPT__COMPR('1', &compression_level, "compress faster", 1),
OPT__COMPR_HIDDEN('2', &compression_level, 2),