depricated means that the item is accepted for now(mostly for compatibility), but is expected to eventually disappear. The use of libc5 is deprecated, everything is moving onto libc6. We no longer ship a version of libc4. Hope that helps. -- To UNSUBSCRIBE, email to debian-mentors-request@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org