* NEWS (Portability): getgrouplist has the portability issues,
not getgroups.
`id -G $USER` now works correctly even on Darwin and NetBSD. Previously it
would either truncate the group list to 10, or go into an infinite loop,
- due to their non-standard getgroups implementations.
+ due to their non-standard getgrouplist implementations.
[truncation introduced in coreutils-6.11]
[infinite loop introduced in coreutils-7.1]