Comment 2 for bug 235440

I'd like to suggest it the following way:

The package Properties dialog, Common and Versions tabs, should say in full what PPA or other repo the installed version & the other listed versions are from, or whether they are from a local .deb.

Packages whose origin is "local" should still show what repo (if any) they came from, with a note saying that the repo was disabled by the user.