xmodmap 1.0.7: "left shift" + "right shift" + "comma" keys

[wettstein509 at solnet.ch]

> I have a problem with xmodmap 1.0.7 because it should write a
> "question down" character when I push the "left shift" + "right shift"
> + "comma" keys but nothing is written.

This might be a hardware problem.  Most keyboards cannot handle
arbitrary combination of more than two keys.  To check, you could use
xev to see whether an event is generated.  If not, it is hardware.

Andreas