Hello,
I'm trying Geany under a fresh Lubuntu install.
SHIFT+ALT+arrow keys has no effect, not sure what's due to I will try on a clean xubuntu install as soon as possible.
lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 17.04 Release: 17.04 Codename: zesty
desktop manager is LXDE (lubuntu)
geany -V geany 1.29 (built on 2016-11-16 with GTK 2.24.31, GLib 2.50.2)
Marco