Only print usage for the command that was run (at, atq, atrm, batch), not

all four.  Also differentiate between the touch(1) style time as time_arg
and the at(1) style time as timespec (which is what SUS3 does).
Instead of referring to the touch time format as POSIX time, reference
touch.  This is what SUS3 does and it is what users will know.

1 files changed, 13 insertions, 9 deletions

diff --git a/usr.bin/at/at.1 b/usr.bin/at/at.1
index a7f4eb864d5..0bbaec937f1 100644
--- a/usr.bin/at/at.1
+++ b/usr.bin/at/at.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: at.1,v 1.22 2002/05/11 23:02:33 millert Exp $
+.\" $OpenBSD: at.1,v 1.23 2002/05/13 16:12:07 millert Exp $
 .\" $FreeBSD: at.man,v 1.6 1997/02/22 19:54:05 peter Exp $
 .Dd April 12, 1995
 .Dt AT 1
@@ -14,12 +14,12 @@
 .Op Fl blmrv
 .Op Fl f Ar file
 .Op Fl q Ar queue
-.Fl t Ar [[CC]YY]MMDDhhmm[.SS]
+.Fl t Ar time_arg
 .Nm at
 .Op Fl blmrv
 .Op Fl f Ar file
 .Op Fl q Ar queue
-.Ar time
+.Ar timespec
 .Nm at
 .Fl c Ar job Op Ar job ...
 .Nm atq
@@ -32,7 +32,7 @@
 .Op Fl mv
 .Op Fl f Ar file
 .Op Fl q Ar queue
-.Op Ar time
+.Op Ar timespec
 .Sh DESCRIPTION
 .Nm at
 and
@@ -102,13 +102,14 @@ is given a specific queue, it will only show jobs pending in that queue.
 .It Fl r
 An alias for
 .Nm atrm .
-.It Fl t
-Specify the job time using the \*[Px] time format.
+.It Fl t Ar time_arg
+Specify the job time using the format specified by
+.Xr touch 1 .
 The argument should be in the form
 .Ar [[CC]YY]MMDDhhmm[.SS]
 where each pair of letters represents the following:
 .Pp
-.Bl -tag -width indent -compact -offset indent
+.Bl -tag -width Ds -compact -offset indent
 .It Ar CC
 The first two digits of the year (the century).
 .It Ar YY
@@ -143,7 +144,7 @@ Otherwise shows the time the job will be executed.
 .Pp
 .Nm at
 allows some moderately complex
-.Ar time
+.Ar timespec
 specifications.
 It accepts times of the form
 .Ar HHMM
@@ -209,7 +210,9 @@ To run a job at 1am tomorrow, you would do
 .Pp
 The
 .Nm at
-utility also supports the \*[Px] time format (see the
+utility also supports the time format used by
+.Xr touch 1
+(see the
 .Fl t
 option).
 .Pp
@@ -290,6 +293,7 @@ job sequence file
 .Sh SEE ALSO
 .Xr nice 1 ,
 .Xr sh 1 ,
+.Xr touch 1 ,
 .Xr umask 2 ,
 .Xr atrun 8 ,
 .Xr cron 8 ,