Comment 12 for bug 216338

I asked greg-g who has a plain US keyboard to change his layout to German and he reported that R_Alt+Q produced an @.

The line you're quoting from /usr/share/X11/xkb/symbols/de is something completely different, namely dvorak layout.

Please provide:
1. Which keyboard layout you're using (the one listed in the keyboard preferences layout, should be similar to "German no dead keys")
2. the file /tmp/xmodmap-pke.log as created from: xmodmap -pke > /tmp/xmodmap-pke.log

Thanks