I downloaded and installed gdb (via dpkg -i), which fixed the problem. Unfortunately, I didn't have backups of /var/lib/apt/ and /var/lib/dpkg/status. (I have one of /var/lib/dpkg/status, even though it's from several hours before the problem's apparition) -- Birzan George Violence is the last refuge of Cristian the incompetent -- Salvor Hardin
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