Index: Business-ISBN-Data-20140910.002/lib/Business/ISBN/Data.pm
===================================================================
--- Business-ISBN-Data-20140910.002.orig/lib/Business/ISBN/Data.pm
+++ Business-ISBN-Data-20140910.002/lib/Business/ISBN/Data.pm
@@ -375,7 +375,8 @@ $Business::ISBN::MAX_COUNTRY_CODE_LENGTH
 	( sort { $a <=> $b } grep { ! /\A_/ } keys %Business::ISBN::country_data )[-1]
 	);
 
-package Business::ISBN;
+package 
+  Business::ISBN;
 
 sub isbn_group_code_string_from_number {
 	return if $_[0] =~ /\A_/;