Minor fixes in docs.

* doc/tar.1: Remove description of the --preserve option
Document verbosity levels.
* doc/tar.texi: Fix description of the -o option.

doc/tar.1

@@ -13,7 +13,7 @@
 .\"
 .\" You should have received a copy of the GNU General Public License
 .\" along with this program.  If not, see <http://www.gnu.org/licenses/>.
-.TH TAR 1 "January 14, 2019" "TAR" "GNU TAR Manual"
+.TH TAR 1 "February 4, 2019" "TAR" "GNU TAR Manual"
 .SH NAME
 tar \- an archiving utility
 .SH SYNOPSIS
@@ -562,9 +562,6 @@ stored in archive with owner name \fINEWUSR\fR and UID \fINEWUID\fR.
 \fB\-p\fR, \fB\-\-preserve\-permissions\fR, \fB\-\-same\-permissions\fR
 extract information about file permissions (default for superuser)
 .TP
-\fB\-\-preserve\fR
-Same as both \fB\-p\fR and \fB\-s\fR.
-.TP
 \fB\-\-same\-owner\fR
 Try extracting files with the same ownership as exists in the archive
 (default for superuser).
@@ -1117,7 +1114,11 @@ The \fBSIG\fR prefix can be omitted.
 Print file modification times in UTC.
 .TP
 \fB\-v\fR, \fB\-\-verbose\fR
-Verbosely list files processed.
+Verbosely list files processed.  Each instance of this option on the
+command line increases the verbosity level by one.  The maximum
+verbosity level is 3.  For a detailed discussion of how various
+verbosity levels affect tar's output, please refer to \fBGNU Tar
+Manual\fR, subsection 2.5.1 "\fBThe \-\-verbose Option\fR".
 .TP
 \fB\-\-warning\fR=\fIKEYWORD\fR
 Enable or disable warning messages identified by \fIKEYWORD\fR.  The

doc/tar.texi

@@ -3795,8 +3795,8 @@ them with the equivalent long option.
 
 @item -m @tab @ref{--touch}.
 
-@item -o @tab When creating, @ref{--no-same-owner}, when extracting ---
-@ref{--portability}.
+@item -o @tab When extracting, same as @ref{--no-same-owner}. When creating,
+-- @ref{--old-archive}.
 
 The latter usage is deprecated.  It is retained for compatibility with
 the earlier versions of @GNUTAR{}.  In future releases