-.\" $OpenBSD: mdoc.7,v 1.115 2014/07/13 10:23:06 schwarze Exp $
+.\" $OpenBSD: mdoc.7,v 1.116 2014/08/08 16:32:17 schwarze Exp $
.\"
.\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
.\" Copyright (c) 2010, 2011, 2013 Ingo Schwarze <schwarze@openbsd.org>
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: July 13 2014 $
+.Dd $Mdocdate: August 8 2014 $
.Dt MDOC 7
.Os
.Sh NAME
block.
Does not have any tail arguments.
.Ss \&Dd
-Document date.
+Document date for display in the page footer.
This is the mandatory first macro of any
.Nm
manual.
.Dq $\&Mdocdate$
can be given as an argument.
.It
-A few alternative date formats are accepted as well
-and converted to the standard form.
+The traditional, purely numeric
+.Xr man 7
+format
+.Ar year Ns \(en Ns Ar month Ns \(en Ns Ar day
+is accepted, too.
.It
If a date string cannot be parsed, it is used verbatim.
.It
and
.Sx \&Do .
.Ss \&Dt
-Document title.
+Document title for display in the page header.
This is the mandatory second macro of any
.Nm
file.
Its syntax is as follows:
.Bd -ragged -offset indent
.Pf \. Sx \&Dt
-.Oo
-.Ar title
-.Oo
+.Ar TITLE
.Ar section
-.Op Ar volume
-.Op Ar arch
-.Oc
-.Oc
+.Op Ar volume | arch
.Ed
.Pp
Its arguments are as follows:
-.Bl -tag -width Ds -offset Ds
-.It Ar title
+.Bl -tag -width section -offset 2n
+.It Ar TITLE
The document's title (name), defaulting to
-.Dq UNKNOWN
+.Dq UNTITLED
if unspecified.
-It should be capitalised.
+To achieve a uniform appearance of page header lines,
+it should by convention be all caps.
.It Ar section
The manual section.
This may be one of
.Cm paper
.Pq paper .
It should correspond to the manual's filename suffix and defaults to
-.Cm 1
-if unspecified.
+the empty string if unspecified.
.It Ar volume
This overrides the volume inferred from
.Ar section .
See also
.Sx \&Oo .
.Ss \&Os
-Document operating system version.
+Operating system version for display in the page footer.
This is the mandatory third macro of
any
.Nm