Zentyal/zentyal — pull request #69 by javierag (2012-12-10 10:03:04+00:00)
Title: Added workaround for launchpad bug 994509, which manifests  showing dupl...

...icate packages in the updates list

see https://bugs.launchpad.net/ubuntu/+source/libapt-pkg-perl/+bug/994509 for the bug work-arounded.

I dont know which triggers this bug. I have seen it reported 4-5 times. The last one in Mateo's system