Add missing @OVERRIDE to 'India' config file, per Michael Fuhr.

Add $PostgreSQL$ lines for CVS identity, too.

src/timezone/tznames/Africa.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Africa.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 CAT      7200    # Central Africa Time
                  #     (Africa/Blantyre)

src/timezone/tznames/America.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/America.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 # Acre time is sometimes called Acre Standard Time (AST) which leads to a
 # conflict with AST (see below at AST)

src/timezone/tznames/Antarctica.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Antarctica.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 CLST   -10800 D  # Chile Summer Time
                  #     (America/Santiago)

src/timezone/tznames/Asia.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Asia.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 # CONFLICT! ADT is not unique
 # Other timezones:

src/timezone/tznames/Atlantic.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Atlantic.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 # CONFLICT! ADT is not unique
 # Other timezones:

src/timezone/tznames/Australia

@@ -3,6 +3,8 @@
 # In order to use this file, you need to set the run-time parameter
 # timezone_abbreviations to 'Australia'.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
+#
+# $PostgreSQL: pgsql/src/timezone/tznames/Australia,v 1.2 2006/07/25 13:49:21 tgl Exp $
 
 
 # include the default set

src/timezone/tznames/Australia.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Australia.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 ACSST   37800 D  # Central Australia (not in zic)
 # CONFLICT! ACST is not unique

src/timezone/tznames/Default

@@ -3,6 +3,8 @@
 # In order to use this file, you need to set the run-time parameter
 # timezone_abbreviations to 'Default'.  See the `Date/Time Support'
 # appendix in the PostgreSQL documentation for more information.
+#
+# $PostgreSQL: pgsql/src/timezone/tznames/Default,v 1.2 2006/07/25 13:49:21 tgl Exp $
 
 
 #################### AFRICA ####################

src/timezone/tznames/Etc.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Etc.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 GMT         0    # Greenwich Mean Time
                  #     (Africa/Abidjan)

src/timezone/tznames/Europe.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Europe.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 BST      3600 D  # British Summer Time
                  # Brazil Standard Time

src/timezone/tznames/India

@@ -3,10 +3,17 @@
 # In order to use this file, you need to set the run-time parameter
 # timezone_abbreviations to 'India'.  See the `Date/Time Support'
 # appendix in the PostgreSQL documentation for more information.
+#
+# $PostgreSQL: pgsql/src/timezone/tznames/India,v 1.2 2006/07/25 13:49:21 tgl Exp $
 
 
 # include the default set
 @INCLUDE Default
 
+# most timezones are already defined in the default set. With the OVERRIDE
+# option, PostgreSQL will use the new definitions instead of throwing an error
+# in case of a conflict.
+@OVERRIDE
+
 IST     19800    # Indian Standard Time
                  #     (Asia/Calcutta)

src/timezone/tznames/Indian.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Indian.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 CCT     23400    # Cocos Islands Time (Indian Ocean)
                  #     (Indian/Cocos)

src/timezone/tznames/Pacific.txt

@@ -4,6 +4,8 @@
 #   a template for timezones you could need.  See the `Date/Time Support'
 #   appendix in the PostgreSQL documentation for more information.
 #
+# $PostgreSQL: pgsql/src/timezone/tznames/Pacific.txt,v 1.2 2006/07/25 13:49:21 tgl Exp $
+#
 
 CHADT   49500 D  # Chatham Daylight Time (New Zealand)
                  #     (Pacific/Chatham)

src/timezone/tznames/README

@@ -16,3 +16,7 @@ If you do not find an appropriate set of time zone names for your geographic
 location supplied here, please report this to <pgsql-hackers@postgresql.org>.
 Your set of time zone names can then be included in future releases.
 For the time being you can always add your own set.
+
+The files named Africa.txt, etc, are not intended to be used directly as
+timezone abbreviation files.  They contain reference definitions of timezone
+names that can be copied into a custom abbreviation file as needed.