We already do this for TDAT. Using both parts, the year and the date,
would be better we the code currently doesn't have enough context to
do that.
BUG:228968
git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@1110552 283d02a7-25f6-0310-bc7c-ecb5cbfe19da