Fix markup and change some layout; no content changes.

usr.sbin/ckdist/ckdist.1

@@ -40,23 +40,36 @@
 .Sh DESCRIPTION
 The
 .Nm
-utility reads "checksum" files (which are assumed to specify components
+utility reads
+.Dq checksum
+files (which are assumed to specify components
 of a software distribution) and verifies the integrity of the
 distribution by validating the checksum of each component file.
-Both MD5 (128-bit "message digest") and .inf (32-bit CRC) checksum
+Both MD5 (128-bit
+.Dq "message digest" )
+and
+.Pa .inf
+(32-bit CRC) checksum
 formats are supported.
 .Pp
 The
 .Ar file
 operands may refer to regular files or to directories.
 Regular files
-named "md5", or which have an ".md5" or an ".inf" extension, are
+named
+.Pa md5 ,
+or which have an
+.Pa .md5
+or an
+.Pa .inf
+extension, are
 assumed to be of the implied type, otherwise format is determined from
 content.
 If a directory is specified, it is searched for
 appropriately-named files only.
 .Pp
-Options are as follows:
+The options are as follows:
+.\"Bl -tag -width ".Fl n Ar name"
 .Bl -tag -width 8n -offset indent
 .It Fl a
 Report on all distribution components, not just those in respect of
@@ -69,7 +82,9 @@ Search specified directories recursively.
 Suppress complaints about inaccessible checksum files and directories.
 .It Fl x
 Verify the existence of distribution components (and also check sizes,
-in the case of .inf files), but omit the more time-consuming step of
+in the case of
+.Pa .inf
+files), but omit the more time-consuming step of
 actually computing and comparing checksums.
 .It Fl d Ar dir
 Look for distribution components in the directory
@@ -77,19 +92,34 @@ Look for distribution components in the directory
 .It Fl n Ar name
 Access distribution components using the filename
 .Ar name .
-When accessing .inf file components, append the appropriate
+When accessing
+.Pa .inf
+file components, append the appropriate
 extension to the filename.
 .It Fl t Ar type
 Assume that all specified checksum files are of the format
 .Ar type ,
 and search directories only for files in this format (where
 .Ar type
-is either "md5" or "inf").
+is either
+.Cm md5
+or
+.Cm inf ) .
 .El
 .Sh EXIT STATUS
-Exit status is 0 if no errors were detected, 1 if errors were found in
+The
-a distribution, and 2 if usage errors, inaccessible input files, or
+.Nm
+utility exits with one of the following values:
+.Pp
+.Bl -tag -width indent
+.It 0
+No errors were detected.
+.It 1
+Errors were found in a distribution.
+.It 2
+Usage errors, inaccessible input files, or
 other system errors were encountered.
+.El
 .Sh SEE ALSO
 .Xr cksum 1 ,
 .Xr md5 1