The breakup of Yugoslavia seems to be incomplete in countrycodes.
AFAIK, Kosovo does not have a country code assigned.
Jan
Index: countrycodes
===================================================================
RCS file: /cvs/src/share/misc/countrycodes,v
retrieving revision 1.3
diff -u -p -r1.3 countrycodes
--- countrycodes 12 Oct 2002 02:14:15 -0000 1.3
+++ countrycodes 4 Jan 2015 11:55:11 -0000
@@ -1,4 +1,4 @@
-# $OpenBSD: countrycodes,v 1.3 2002/10/12 02:14:15 jsyn Exp $
+# $OpenBSD: countrycodes,v 1.1 2015/01/04 10:58:19 hans Exp $
#
# ISO 3166-1 country names and code elements
# http://www.din.de/gremien/nas/nabd/iso3166ma/codlstp1/en_listp1.html
@@ -141,9 +141,10 @@ LY:LIBYAN ARAB JAMAHIRIYA
MA:MOROCCO
MC:MONACO
MD:MOLDOVA, REPUBLIC OF
+ME:MONTENEGRO
MG:MADAGASCAR
MH:MARSHALL ISLANDS
-MK:MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF
+MK:MACEDONIA
ML:MALI
MM:MYANMAR
MN:MONGOLIA
@@ -189,6 +190,7 @@ PY:PARAGUAY
QA:QATAR
RE:REUNION
RO:ROMANIA
+RS:SERBIA
RU:RUSSIAN FEDERATION
RW:RWANDA
SA:SAUDI ARABIA
@@ -243,7 +245,6 @@ WF:WALLIS AND FUTUNA
WS:SAMOA
YE:YEMEN
YT:MAYOTTE
-YU:YUGOSLAVIA
ZA:SOUTH AFRICA
ZM:ZAMBIA
ZW:ZIMBABWE
