041 tag
 
Language codes in the 041 tag are now broken up into individual 3-letter codes within each subfield.
 
Examples:
 
‡a engfreger      is now ‡a eng ‡a fre ‡a ger
‡g enghaw ‡h enghaw      is now ‡g eng ‡g haw ‡h eng ‡h haw