Document basic mdoc(7) support, and some fixes.

usr.bin/checknr/checknr.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: checknr.1,v 1.11 2001/12/01 18:53:34 wiz Exp $
+.\"	$NetBSD: checknr.1,v 1.12 2002/01/21 18:36:44 wiz Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -33,7 +33,7 @@
 .\"
 .\"     @(#)checknr.1	8.1 (Berkeley) 6/6/93
 .\"
-.Dd June 6, 1993
+.Dd January 21, 2002
 .Dt CHECKNR 1
 .Os
 .Sh NAME
@@ -43,8 +43,8 @@
 .Nm
 .Op Fl a Ns Ar \&.x1.y1.x2.y2. ... \&.xn.yn
 .Op Fl c Ns Ar \&.x1.x2.x3 ... \&.xn
-.Op Fl s
 .Op Fl f
+.Op Fl s
 .Ar file
 .Sh DESCRIPTION
 .Nm
@@ -59,8 +59,8 @@ If no files are specified,
 .Nm
 checks the standard input.
 .Pp
-Options:
-.Bl -tag -width Ds
+Recognized options are:
+.Bl -tag -width xxx -compact -offset indent
 .It Fl a
 Add additional pairs of macros to the list of known macros.
 This must be followed by groups of six characters, each group defining
@@ -71,7 +71,7 @@ the first macro name,
 another period,
 and the second macro name.
 For example, to define a pair .BS and .ES, use
-.Sq Li \-a.BS.ES
+.Sq Li \-a.BS.ES .
 .It Fl c
 Define commands which would otherwise be complained about
 as undefined.
@@ -88,7 +88,7 @@ size changes.
 .El
 .Pp
 Delimiters checked are:
-.Bl -enum
+.Bl -enum -compact -offset indent
 .It
 Font changes using \efx ... \efP.
 .It
@@ -135,7 +135,9 @@ knows about the
 .Xr ms 7
 and
 .Xr me 7
-macro packages.
+macro packages,
+as well as the macros from
+.Xr mdoc 7 .
 .Sh DIAGNOSTICS
 .Bd -ragged -compact
 Complaints about unmatched delimiters.
@@ -145,6 +147,7 @@ Various complaints about the syntax of commands.
 .Sh SEE ALSO
 .Xr nroff 1 ,
 .Xr troff 1 ,
+.Xr mdoc 7 ,
 .Xr me 7 ,
 .Xr ms 7
 .Sh HISTORY
@@ -152,9 +155,19 @@ The
 .Nm
 command appeared in
 .Bx 4.0 .
+Basic
+.Xr mdoc 7
+support appeared in
+.Nx 1.6 .
 .Sh BUGS
 There is no way to define a 1 character macro name using
 .Fl a .
 .Pp
 Does not correctly recognize certain reasonable constructs,
 such as conditionals.
+.Pp
+.Xr mdoc 7
+macros that are not at the beginning of the line are not recognized.
+Among others, this results in too many
+.Ql Unmatched Zz
+errors.