Hi,

I have a problem with PAD buttons (Wacom Intuos 3). When I have one PAD button 
configured as a key (`xsetwacom --set "Wacom Intuos3 6x8 pad" Button1 "key c"` 
- doesn't matter which one and which key is emitted), the following sequence 
moves the cursor to [0, 0] (sometimes to a different x location):

1. Press a key on keyboard (doesn't matter which one).
2. Press a button on PAD that is mapped to some key.
3. Press a button on PAD that is not mapped (pure button click).

I've tracked the problem down to XInput. This is what `xinput test -proximity 
12` gives on my system  (12 is the ID of the PAD device):

<pure PAD button click>
proximity in
button press   3 a[0]=2816 a[1]=20449 a[2]=0 a[3]=0 a[4]=0 a[5]=0
button release 3 a[0]=2816 a[1]=20449 a[2]=0 a[3]=0 a[4]=0 a[5]=0
proximity out
<now I pressed the key on keyboard>
<mapped PAD button click>
proximity in
key press   50
key release 50
proximity out
<pure PAD button click>
proximity in
button press   3 a[0]=0 a[1]=0 a[2]=0 a[3]=0 a[4]=0 a[5]=0
button release 3 a[0]=0 a[1]=0 a[2]=0 a[3]=0 a[4]=0 a[5]=0
proximity out

The position is now a[0]=0 and a[1]=0. I don't know where the problem could 
be, but I think it is not in Wacom driver (I've added logging to event posting 
and the calls have the same arguments). I would like to at least verify that 
I'm not the only one having the same problem.

Can anyone reproduce the problem? Can anyone point me where to look next (also 
source code)?

Thanks.

Regards,
Oldrich.

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