1.\" $OpenBSD: invalid.in,v 1.4 2017/07/04 14:53:24 schwarze Exp $ 2.Dd $Mdocdate: July 4 2017 $ 3.Dt AT-INVALID 1 4.Os 5.Sh NAME 6.Nm At-invalid 7.Nd handling of an invalid AT&T UNIX argument 8.Sh DESCRIPTION 9no argument: 10.At 11.Pp 12valid argument: 13.At v7 14.Pp 15invalid argument: 16.At murks "Sy" bold 17.Pp 18end of file 19