* really: Add "danger!" warning to usage message description of -R.
* really: Document -R option in the manpage. Closes:#693354.
* really: Document need to be in the "root" group as well. (This is
better than removing the restriction, because it would be dangerous to
relax this security barrier in existing deployments.) Closes:#693356.
* really: Add "danger!" warning to usage message description of -R.
* really: Document -R option in the manpage. Closes:#693354.
* really: Document need to be in the "root" group as well. (This is
better than removing the restriction, because it would be dangerous to
relax this security barrier in existing deployments.) Closes:#693356.