With Linus dissing Gnome (& especially Gnome 3) I've switched to XFCE (Xbuntu). GRM has no ribbon or command bar. Alt & Ctrl A, O, S, do nothing. I know, Thomas that this isn't your problem, but -just in case- you have encountered this before, do you know a way for GRM to work with XFCE desktop?
I have learned that pressing the "F-10" key will bring up the File menu. From there, using the L(eft) or R(ight) cursor keys will show the various Gourmet menus. This isn't proper, I should be able to control where I find & use the ribbon bar menus. That said, I'm a happy camper. Thanks, Thomas for a truly wonderful application.