Fix SGML markup.

doc/src/sgml/ref/create_function.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.92 2010/03/03 03:14:08 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/create_function.sgml,v 1.93 2010/03/03 03:23:12 momjian Exp $
 -->
 
 <refentry id="SQL-CREATEFUNCTION">
@@ -50,8 +50,6 @@ CREATE [ OR REPLACE ] FUNCTION
    <literal>USAGE</literal> privilege on the language.
   </para>
 
-  </para>
-
   <para>
    If a schema name is included, then the function is created in the
    specified schema.  Otherwise it is created in the current schema.
@@ -518,13 +516,13 @@ CREATE [ OR REPLACE ] FUNCTION
 
    </variablelist>
 
- </refsect1>
-
    <para>
     Refer to <xref linkend="xfunc"> for further information on writing
     functions.
    </para>
 
+ </refsect1>
+
  <refsect1 id="sql-createfunction-overloading">
   <title>Overloading</title>