bug#54117: 28.0.91; Upgrading packages not working

[Po Lu]

Po Lu <luangruo@yahoo.com> writes:

> In fact, nothing gets marked for upgrades, and I have got quite some
> more packages installed, so I suspect some problem in the upgrade
> marking process.

I got around to looking at this: every package installed is labeled as
"external" instead of "installed".  Since I don't know what the
difference between the two is, I installed a change to also mark
upgradable "external" packages, and am closing this bug.