# File utils.rb, line 440
        def verboseOff
                raise LocalJumpError, "No block given" unless block_given?

                thrcrit = Thread.critical
                oldverbose = $VERBOSE
                begin
                        Thread.critical = true
                        $VERBOSE = false
                        yield
                ensure
                        $VERBOSE = oldverbose
                        Thread.critical = false
                end
        end