Mark the TimeZone parameter as GUC_REPORT, so that JDBC can find out

when it changes.  Per request from Kris Jurka.

doc/src/sgml/libpq.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.171 2004/12/13 18:05:08 petere Exp $
+$PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.172 2004/12/20 18:15:05 tgl Exp $
 -->
 
  <chapter id="libpq">
@@ -860,10 +860,11 @@ Parameters reported as of the current release include
 <literal>client_encoding</>,
 <literal>is_superuser</>,
 <literal>session_authorization</>,
-<literal>DateStyle</>, and
+<literal>DateStyle</>,
+<literal>TimeZone</>, and
 <literal>integer_datetimes</>.
-(<literal>server_encoding</> and <literal>integer_datetimes</> were not
-reported by releases before 8.0.)
+(<literal>server_encoding</>, <literal>TimeZone</>, and
+<literal>integer_datetimes</> were not reported by releases before 8.0.)
 Note that
 <literal>server_version</>,
 <literal>server_encoding</> and

doc/src/sgml/protocol.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/protocol.sgml,v 1.56 2004/12/13 18:05:08 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/protocol.sgml,v 1.57 2004/12/20 18:15:05 tgl Exp $ -->
 
 <chapter id="protocol">
  <title>Frontend/Backend Protocol</title>
@@ -1051,10 +1051,11 @@
     <literal>client_encoding</>,
     <literal>is_superuser</>,
     <literal>session_authorization</>,
-    <literal>DateStyle</>, and
+    <literal>DateStyle</>,
+    <literal>TimeZone</>, and
     <literal>integer_datetimes</>.
-    (<literal>server_encoding</> and <literal>integer_datetimes</> were not
-    reported by releases before 8.0.)
+    (<literal>server_encoding</>, <literal>TimeZone</>, and
+    <literal>integer_datetimes</> were not reported by releases before 8.0.)
     Note that
     <literal>server_version</>,
     <literal>server_encoding</> and

src/backend/utils/misc/guc.c

@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.250 2004/11/24 19:51:03 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.251 2004/12/20 18:15:07 tgl Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -1728,7 +1728,8 @@ static struct config_string ConfigureNamesString[] =
 	{
 		{"TimeZone", PGC_USERSET, CLIENT_CONN_LOCALE,
 			gettext_noop("Sets the time zone for displaying and interpreting time stamps."),
-			NULL
+			NULL,
+			GUC_REPORT
 		},
 		&timezone_string,
 		"UNKNOWN", assign_timezone, show_timezone