Today I learned that in Debian, all of those nifty xkboptions like "ctrl:nocaps" are listed in files in
However, none of them have helped me get my left Alt key to stop behaving like an AltGr key. xev even says that the key is Alt_L, but that's not how it's acting. The right Alt key — the one actually labeled AltGr — also behaves like AltGr. Not having an Alt key is seriously cramping my Emacs usage.
On the upside, I now have the X server starting on the Gdium, though only by using fbdev. The siliconmotion driver segfaults. But hey, progress.