LXDE: shortcut problem holding . or / char.s

[Sthu Deus <sthu.deus@gmail.com>]

Good time of the day.

These shortcuts does not work in LXDE of wheezy:

C-A-.

or

C-A-/

How I should write it in lxde-rc.xm file?
When I change the . or / to k or l - it works.

Thanks for Your time.