ok, it appears to be a particular file within c/ that causes the problems, although moving problematic subdirectories didn't solve it -- i.e., something might be fouling things up, and it only manifests as a secondary effect. continuing to investigate...
-- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
