Mark 8.3 as likely now January, 2008 in release notes.

doc/src/sgml/release.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.569 2007/12/12 06:58:33 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.570 2007/12/16 07:19:32 momjian Exp $ -->
 <!--
 
 Typical markup:
@@ -71,7 +71,7 @@ do it for earlier branch release files.
 
   <note>
    <title>Release date</title>
-   <simpara>2007-12-??</simpara>
+   <simpara>2007-01-??</simpara>
    <para>CURRENT AS OF 2007-12-01</>
   </note>