OK then at the bottom of
-t <release>, --target-release <release>
Set the release from which packages should be installed. For
instance, "aptitude -t experimental ..." will install packages
from the experimental distribution unless you specify otherwise.
This will affect the default candidate version of packages
according to the rules described in apt_preferences(5).
This corresponds to the configuration item APT::Default-Release.
please add
Thus -t will only upgrade. To downgrade, append '=version' to
each package.
else there is little chance the user will master the apt_preferences man
page well enough to understand that.
DK> You have to apply extra force if you really want that (pkg/release),
DK> but note that downgrading packages isn't
DK> officially supported by Debian so you might end up with a broken system
DK> if you downgrade the wrong package.
OK, perhaps also mention how make -t work for downgrades too...
E.g., The user would like to downgrade package A along with its dependencies.
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