Further comment, just to clarify/update: Psi in Edgy (version 0.10-2ubuntu2) has the above symptoms: the version string presents as "Debian GNU/Linux (testing/unstable)".
Further comment, just to clarify/update: Psi in Edgy (version 0.10-2ubuntu2) has the above symptoms: the version string presents as "Debian GNU/Linux (testing/ unstable) ".