Index: Strings.pm
===================================================================
--- Strings.pm	(revision 11653)
+++ Strings.pm	(working copy)
@@ -314,9 +314,15 @@
 		$log->warn("redefined string: $name in $file");
 	}
 
+	# see whether we have a super language like eg. EN in EN_US
+	my $superLang = getLanguage() =~ /^(.+)_/ ? $1 : '';
+
 	if (defined $curString->{$currentLang}) {
 		$strings->{$currentLang}->{$name} = $curString->{$currentLang};
 
+	} elsif (defined $curString->{$superLang}) {
+		$strings->{$currentLang}->{$name} = $curString->{$superLang};
+		$log->debug("Language $currentLang using $superLang for $name in $file");
 	} elsif (defined $curString->{$failsafeLang}) {
 		$strings->{$currentLang}->{$name} = $curString->{$failsafeLang};
 		$log->debug("Language $currentLang using $failsafeLang for $name in $file");