Comment 13 for bug 49228

Also, these xscreensaver hacks are missing in kscreensaver-xsavers-extra:

$ for i in * ; do [[ -f /usr/share/kde4/services/ScreenSavers/$i.desktop ]] || echo $i ; done
companioncube
hilbert
ljlatest
popsquares
rubikblocks
surfaces
tronbit