Fix broken markup.

doc/src/sgml/release.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.480 2006/10/23 18:10:31 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.481 2006/10/23 19:29:46 tgl Exp $ -->
 <!--
 
 Typical markup:
@@ -400,7 +400,7 @@ links to the main documentation.
 
       <listitem>
        <para>
-        In <filename>contrib/xml2/<filename>, rename <function>xml_valid()</> to
+        In <filename>contrib/xml2/</>, rename <function>xml_valid()</> to
         <function>xml_is_well_formed()</> (Tom)
        </para>
 
@@ -413,7 +413,7 @@ links to the main documentation.
 
       <listitem>
        <para>
-        Remove <filename>contrib/ora2pg/<filename>, now at <ulink
+        Remove <filename>contrib/ora2pg/</>, now at <ulink
         url="http://www.samse.fr/GPL/ora2pg"></ulink>
        </para>
       </listitem>
@@ -428,7 +428,8 @@ links to the main documentation.
 
       <listitem>
        <para>
-        Remove abandoned contrib modules:  mSQL-interface, tips
+        Remove abandoned contrib modules:
+        <filename>mSQL-interface</>, <filename>tips</>
        </para>
       </listitem>