I can't add people to my facebook group (secret) unless they are friends?

[Loki]

I created a group in facebook (a "secret" group) and it seems I can only add members who are "friended" to my facebook profile. I don't want to "friend" all of the people who join the group to my personal profile.

When I tried to "add" members, nothing happened. When I tried to search names of people I want to add as members, there were "No Results" (it seems it is only searching my "friend" list).

I made the group secret because it is one I don't want all "friends" to my profile to see.

This doesn't seem right Please tell me what I can do to add people to my group without "friending" them to my profile.
abraXus - I'm a member of another Facebook group, created by another user, and I am not friended to anyone in that group.

[abraXus]

that's how facebook groups are supposed to work

it's set up like that to prevent spam