mdoc(7) police: fix markup (demonstrates new -xwidth modifier).

usr.bin/nl/nl.1

@@ -38,7 +38,7 @@
 .Dt NL 1
 .Os
 .Sh NAME
-.Nm \&nl
+.Nm nl
 .Nd line numbering filter
 .Sh SYNOPSIS
 .Nm
@@ -96,33 +96,31 @@ independently available for header, body and footer sections.
 The starts of logical page sections are signalled by input lines containing
 nothing but one of the following sequences of delimiter characters:
 .Pp
-.Bd -unfilled -offset indent
-.Bl -column "\e:\e:\e: " "header "
+.Bl -column "\e:\e:\e:" "Start of" -offset indent
 .Em "Line	Start of"
 .It \e:\e:\e:	header
 .It \e:\e:	body
 .It \e:	footer
 .El
-.Ed
 .Pp
 If the input does not contain any logical page section signalling directives,
 the text being read is assumed to consist of a single logical page body.
 .Pp
 The following options are available:
-.Bl -tag -width indent
+.Bl -tag -xwidth ".Fl v Ar startnum"
 .It Fl b Ar type
 Specify the logical page body lines to be numbered.
 Recognized
 .Ar type
 arguments are:
-.Bl -tag -width pstringXX
-.It a
+.Bl -tag -width indent
+.It Cm a
 Number all lines.
-.It t
+.It Cm t
 Number only non-empty lines.
-.It n
+.It Cm n
 No line numbering.
-.It p Ns Ar expr
+.It Cm p Ns Ar expr
 Number only those lines that contain the basic regular expression specified
 by
 .Ar expr .
@@ -130,7 +128,8 @@ by
 .Pp
 The default
 .Ar type
-for logical page body lines is t.
+for logical page body lines is
+.Cm t .
 .It Fl d Ar delim
 Specify the delimiter characters used to indicate the start of a logical
 page section in the input file.  At most two characters may be specified;
@@ -138,21 +137,24 @@ if only one character is specified, the first character is replaced and the
 second character remains unchanged.
 The default
 .Ar delim
-characters are ``\e:''.
+characters are
+.Dq Li \e: .
 .It Fl f Ar type
 Specify the same as
 .Fl b Ar type
 except for logical page footer lines.
 The default
 .Ar type
-for logical page footer lines is n.
+for logical page footer lines is
+.Cm n .
 .It Fl h Ar type
 Specify the same as
 .Fl b Ar type
 except for logical page header lines.
 The default
 .Ar type
-for logical page header lines is n.
+for logical page header lines is
+.Cm n .
 .It Fl i Ar incr
 Specify the increment value used to number logical page lines.
 The default
@@ -161,13 +163,10 @@ value is 1.
 .It Fl l Ar num
 If numbering of all lines is specified for the current logical section
 using the corresponding
-.Fl b
-a,
-.Fl f
-a
+.Fl b Cm a ,
+.Fl f Cm a
 or
-.Fl h
-a
+.Fl h Cm a
 option,
 specify the number of adjacent blank lines to be considered as one.
 For example,
@@ -181,18 +180,19 @@ Specify the line numbering output format.
 Recognized
 .Ar format
 arguments are:
-.Bl -tag -width lnXX -compact
-.It ln
+.Bl -tag -width indent -compact
+.It Cm ln
 Left justified.
-.It rn
+.It Cm rn
 Right justified, leading zeros suppressed.
-.It rz
+.It Cm rz
 Right justified, leading zeros kept.
 .El
 .Pp
 The default
 .Ar format
-is rn.
+is
+.Cm rn .
 .It Fl p
 Specify that line numbering should not be restarted at logical page delimiters.
 .It Fl s Ar sep
@@ -220,7 +220,7 @@ The default
 .Ar width
 is 6.
 .El
-.Sh EXIT STATUS
+.Sh DIAGNOSTICS
 The 
 .Nm
 utility exits 0 on success, and >0 if an error occurs.