musicbrainz/picard — pull request #10 by mineo (2011-11-30 13:10:41+00:00)
Title: id3/mp4: make supports_tag return True for more tags

After the comment on #9, I've compared the table at http://wiki.musicbrainz.org/PicardTagMapping and noticed there are a few more tags missing (totaldiscs / totaltracks which, like tracknumber and discnumber, are manipulated manually), so here goes.