looks good
- bug#7320: 'group' command gives wrong/extra group owen
- bug#7320: 'group' command gives wrong/extra group James Youngman
- bug#7320: Confirmed on coreutils-8.4-13 Marc W. Mengel
- bug#7320: Confirmed on coreutils-8.4-13 Jim Meyering
- bug#7320: id and groups may lie Jim Meyering
- bug#7320: id and groups may lie Pádraig Brady
- bug#7320: id and groups may lie Jim Meyering
- bug#7320: id and groups may lie Marc W. Mengel
- bug#7320: id and groups may lie Jim Meyering
- bug#7320: id and groups may lie Jim Meyering
