* "<,>" charackters in section of a pkg make the pkgsection view fail

* the intro dialog is non-modal but blocks interface

* reinstall, setCanidateVersion() installs not supported by
  RPackageLister::{read,write}Selections()

> I think there is a bug (debian-specific ?):
>   In preferences I told Synaptic to completely remove packages
> including configuration files, but when the removal or installation of a
> package marks another package to be removed, the configuration files are
> always left on the system (residual config). Marking a package for
> complete removal works as expected. No big deal...