Add --describe-config to top of postgres manual page.

Author: bmomjian

doc/src/sgml/ref/postgres-ref.sgml

@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.39 2003/10/28 15:01:27 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.40 2003/10/28 19:39:18 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -66,6 +66,7 @@ PostgreSQL documentation
    <arg>-S <replaceable>sort-mem</replaceable></arg>
    <arg>-v <replaceable>protocol</replaceable></arg>
    <arg>-W <replaceable>seconds</replaceable></arg>
+   <arg>--describe-config</arg>
    <arg>--<replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
   </cmdsynopsis>
  </refsynopsisdiv>