POSTIN
/bin/sh
update-alternatives --install /etc/dynamic/launchers/scanner/kde.desktop scanner.kde.dynamic /etc/dynamic/launchers/scanner/kdegraphics.desktop 31
update-alternatives --install /etc/dynamic/launchers/scanner/gnome.desktop scanner.gnome.dynamic /etc/dynamic/launchers/scanner/kdegraphics.desktop 29
POSTUN
/bin/sh
if [ $1 = 0 ]; then
update-alternatives --remove scanner.kde.dynamic /etc/dynamic/launchers/scanner/kdegraphics.desktop
update-alternatives --remove scanner.gnome.dynamic /etc/dynamic/launchers/scanner/kdegraphics.desktop
fi