package descriptions dummy/transitional

[Bernd Eckenfels <lists@lina.inka.de>]

Hello,

I noticed a few transitional and dummy packages on my system, but there was
no common way to identify them. I think the following packages exist:

a) dummy packages which depend on the new name of a package for 
   1 - automatic updates after split or rename (e.g. xpdf-i)
   2 - dependencies

b) meta packages which depend on the actual version family 
   (a lot of the python stuff looks like this)


I would suggest/asume, that the a1 and a2 packages (at least) should have
some common package description parts, and be in the same apt category?

Is there a way I can get a list of those "you can remove it safely after
upgrade (if no others depend on it)" packages?

Greetings
Bernd
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