Do you have to be a moderator to share bookmarks with a group?

I'm the owner and I'm the ONLY one Who can share to the group. When I made one a moderator, he was able to share.

Andrew Rosenthal wrote:
> Diigo groups allow an ordinary group member to be converted to a moderator.
>
> I had thought this might allow them to edit or delete other peoples annotations. BUT this does not seem to be the case.
>
> What can a group moderator do that an ordinary member can not do?
>
> Are there further rights planned for moderators in the future?
>
> Andrew