[ew: cleaned up the dirty union hack a bit] Signed-off-by: Eric Wong <normalperson@yhbt.net> git-svn-id: https://svn.musicpd.org/mpd/trunk@7180 09075e82-0dd4-0310-85a5-a0d7c8717e4f
git-svn-id: https://svn.musicpd.org/mpd/trunk@5422 09075e82-0dd4-0310-85a5-a0d7c8717e4f
later be used for playlist searching. git-svn-id: https://svn.musicpd.org/mpd/trunk@5419 09075e82-0dd4-0310-85a5-a0d7c8717e4f