Unable to edit enclosures preferences.

[Marc Butler]

1)
Description: Ubuntu 12.04 LTS
Release: 12.04

2)
liferea:
  Installed: 1.8.3-0.1ubuntu2
  Candidate: 1.8.3-0.1ubuntu2
  Version table:
 *** 1.8.3-0.1ubuntu2 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
        100 /var/lib/dpkg/status

3)
I expected to be able to add, remove, and edit the mapping of programs to types for enclosures.

4)
The list box is empty. The properties and delete buttons do not respond. A right mouse button click on the list box, has no obvious effect. The list box does however appear to get focus.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.