> The user and the group to which a file belongs, as well as the access
> permissions on the file, can be changed by the root user or, in most
> cases, by the creator of the file.
This is true for permissions, but not for user/group. Only root can change the
owner of a file. A non-root user can change the group for a file if (a) he is
the owner of the file and (b) he is a member of the new group.
Fixed in Taroon.