    # File lib/merb-core/server.rb, line 190
          def change_privilege
            if Merb::Config[:user] && Merb::Config[:group]
              Merb.logger.verbose! "About to change privilege to group " \
                "#{Merb::Config[:group]} and user #{Merb::Config[:user]}"
              _change_privilege(Merb::Config[:user], Merb::Config[:group])
            elsif Merb::Config[:user]
              Merb.logger.verbose! "About to change privilege to user " \
                "#{Merb::Config[:user]}"
              _change_privilege(Merb::Config[:user])
            else
              return true
            end
          end