Does `a "group" option and adding a "group" option' a meaningless repeatition?

[RL]

Andreas Metzler <ametzler at bebt.de> writes:

> On 2023-09-10 RL via Pkg-exim4-users <pkg-exim4-users at alioth-lists.debian.net> wrote:
>> Andreas Metzler <ametzler at bebt.de> writes:
>
>> > On 2023-09-10 Regid Ichira via Pkg-exim4-users
>> > <pkg-exim4-users at alioth-lists.debian.net>
>> > wrote:
>> >> Quoting /usr/share/doc/exim4-base/README.Debian.gz :
> [...]
>> > A group needs to be defined but it can be done explicitely (group=) or
>> > implicitely by setting user= and using the primary group of the user.
>
>> I think this would be just as clear to the reader if the README.Debian
>> file said something like "You can do this by setting a "user" and, if a
>> different group is required, a "group" option."
>
> That seems to imply that the user has a primary group of the same name.
> Which is not necessarily the case.

interesting - perhaps include what happens if a user sets user=foo and there is no
primary group of the same name? i definitely dont feel i understand this now!