SGML markup cleanup for pg_upgrade.

doc/src/sgml/pgupgrade.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/pgupgrade.sgml,v 1.8 2010/05/19 20:40:33 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/pgupgrade.sgml,v 1.9 2010/05/19 20:47:18 momjian Exp $ -->
 
 <sect1 id="pgupgrade">
  <title>pg_upgrade</title>
@@ -36,92 +36,92 @@
     <variablelist>
 
      <varlistentry>
-      <term><literal>-d</literal> <replaceable>OLDDATADIR</></term>
-      <term><literal>--old-datadir</literal> <replaceable>OLDDATADIR</></term>
+      <term><option>-d</option> <replaceable>OLDDATADIR</></term>
+      <term><option>--old-datadir</option> <replaceable>OLDDATADIR</></term>
       <listitem><para>specify the old cluster data directory</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-D</literal> <replaceable>NEWDATADIR</></term>
-      <term><literal>--new-datadir</literal> <replaceable>NEWDATADIR</></term>
+      <term><option>-D</option> <replaceable>NEWDATADIR</></term>
+      <term><option>--new-datadir</option> <replaceable>NEWDATADIR</></term>
       <listitem><para>specify the new cluster data directory</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-b</literal> <replaceable>OLDBINDIR</></term>
-      <term><literal>--old-bindir</literal> <replaceable>OLDBINDIR</></term>
+      <term><option>-b</option> <replaceable>OLDBINDIR</></term>
+      <term><option>--old-bindir</option> <replaceable>OLDBINDIR</></term>
       <listitem><para>specify the old cluster executable directory</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-B</literal> <replaceable>NEWBINDIR</></term>
-      <term><literal>--new-bindir</literal> <replaceable>NEWBINDIR</></term>
+      <term><option>-B</option> <replaceable>NEWBINDIR</></term>
+      <term><option>--new-bindir</option> <replaceable>NEWBINDIR</></term>
       <listitem><para>specify the new cluster executable directory</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-p</literal> <replaceable>portnum</></term>
-      <term><literal>--old-port</literal> <replaceable>portnum</></term>
+      <term><option>-p</option> <replaceable>portnum</></term>
+      <term><option>--old-port</option> <replaceable>portnum</></term>
       <listitem><para>specify the old cluster port number</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-P</literal> <replaceable>portnum</></term>
-      <term><literal>--new-port</literal> <replaceable>portnum</></term>
+      <term><option>-P</option> <replaceable>portnum</></term>
+      <term><option>--new-port</option> <replaceable>portnum</></term>
       <listitem><para>specify the new cluster port number</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-u</literal> <replaceable>username</></term>
-      <term><literal>--user</literal> <replaceable>username</></term>
+      <term><option>-u</option> <replaceable>username</></term>
+      <term><option>--user</option> <replaceable>username</></term>
       <listitem><para>clusters superuser</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-c</literal></term>
-      <term><literal>--check</literal></term>
+      <term><option>-c</option></term>
+      <term><option>--check</option></term>
       <listitem><para>check clusters only, don't change any data</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-d</literal></term>
-      <term><literal>--debug</literal></term>
+      <term><option>-d</option></term>
+      <term><option>--debug</option></term>
       <listitem><para>enable debugging</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-G</literal> <replaceable>DEBUGFILENAME</></term>
-      <term><literal>--debugfile</literal> <replaceable>DEBUGFILENAME</></term>
+      <term><option>-G</option> <replaceable>DEBUGFILENAME</></term>
+      <term><option>--debugfile</option> <replaceable>DEBUGFILENAME</></term>
       <listitem><para>output debugging activity to file</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-k</literal></term>
-      <term><literal>--link</literal></term>
+      <term><option>-k</option></term>
+      <term><option>--link</option></term>
       <listitem><para>link instead of copying files to new cluster</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-l</literal> <replaceable>LOGFILENAME</></term>
-      <term><literal>--logfile</literal> <replaceable>LOGFILENAME</></term>
+      <term><option>-l</option> <replaceable>LOGFILENAME</></term>
+      <term><option>--logfile</option> <replaceable>LOGFILENAME</></term>
       <listitem><para>log session activity to file</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-v</literal></term>
-      <term><literal>--verbose</literal></term>
+      <term><option>-v</option></term>
+      <term><option>--verbose</option></term>
       <listitem><para>enable verbose output</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-V</literal></term>
-      <term><literal>--version</literal></term>
+      <term><option>-V</option></term>
+      <term><option>--version</option></term>
       <listitem><para>display version information, then exit</para></listitem>
      </varlistentry>
 
      <varlistentry>
-      <term><literal>-h</literal></term>
-      <term><literal>--help</literal></term>
+      <term><option>-h</option></term>
+      <term><option>--help</option></term>
       <listitem><para>show help, then exit</para></listitem>
      </varlistentry>