Something
public text v1 · immutabledebian:/home/kde4# cat /etc/apt/preferences
Package: *
Pin: release a=unstable
Pin-Priority: 400
Package: *
Pin: release a=experimental
Pin-Priority: 800debian:/home/kde4# cat /etc/apt/preferences
Package: *
Pin: release a=unstable
Pin-Priority: 400
Package: *
Pin: release a=experimental
Pin-Priority: 800