+dit(bf(--super)) This tells the receiving side to attempt super-user
+activities even if the receiving rsync wasn't run by the super-user. These
+activities include: preserving users via the bf(--owner) option, preserving
+all groups (not just the current user's groups) via the bf(--groups)
+option, and copying devices via the bf(--devices) option. This is useful
+for systems that allow such activities without being the super-user, and
+also for ensuring that you will get errors if the receiving side isn't
+being running as the super-user. To turn off super-user activities, the
+super-user can use bf(--no-super).
+