post_install() {
cat << EOF
NOTE
----
# If you want to use this driver with sane:
# echo "hpaio" >> /etc/sane.d/dll.conf
EOF
}
post_upgrade() {
if [ "`vercmp $2 3.12.4-2`" -lt 0 ]; then
# important upgrade notice
echo "> Please remove your printer in cups, then add it"
echo "> back and reconfigure it to make it work again!"
fi
}