musicbrainz/picard — pull request #102 by Sophist-UK (2013-05-22 12:03:41+00:00)
Title: Resequence ID3v1/2 fields in Options / Options / Tags 

Resequenced ID3v2 fields so that they are together with ID3v1 fields
following - previously ID3v2 fields were split with an ID3v1 field
inbetween, This is less confusing to the user.