I think that directory removal by dpkg may have been broken in woody (whose dpkg was version 1.9.21); perhaps that has to be taken into account.
dpkg (1.10.11) unstable; urgency=low * Anthony Towns <aj@azure.humbug.org.au>: Retry removing empty dirs during purge. Closes: #112386 -- Thomas Hood <[EMAIL PROTECTED]> -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]