--- github/JodaOrg/tz/backward	2021-09-29 01:46:49.268855917 -0700
+++ tz/backward	2021-09-29 01:43:52.336404721 -0700
@@ -4,8 +4,7 @@
 # 2009-05-17 by Arthur David Olson.
 
 # This file provides links from old or merged timezone names to current ones.
-# Many names changed in late 1993, and many merged names moved here
-# in the period from 2013 through 2021.  Several of these names are
+# Many names changed in late 1993.  Several of these names are
 # also present in the file 'backzone', which has data important only
 # for pre-1970 timestamps and so is out of scope for tzdb proper.
 
@@ -16,7 +15,7 @@
 Link	America/Adak		America/Atka
 Link	America/Argentina/Buenos_Aires	America/Buenos_Aires
 Link	America/Argentina/Catamarca	America/Catamarca
-Link	America/Atikokan	America/Coral_Harbour
+Link	America/Panama		America/Coral_Harbour
 Link	America/Argentina/Cordoba	America/Cordoba
 Link	America/Tijuana		America/Ensenada
 Link	America/Indiana/Indianapolis	America/Fort_Wayne
@@ -31,7 +30,7 @@
 Link	America/Argentina/Cordoba	America/Rosario
 Link	America/Tijuana		America/Santa_Isabel
 Link	America/Denver		America/Shiprock
-Link	America/Port_of_Spain	America/Virgin
+Link	America/Puerto_Rico	America/Virgin
 Link	Pacific/Auckland	Antarctica/South_Pole
 Link	Asia/Ashgabat		Asia/Ashkhabad
 Link	Asia/Kolkata		Asia/Calcutta