abnt2 delete keys problem

[Rafael Ávila de Espíndola]

I am having the following problem with a abnt2 (Brazilian) keyboard:

When the numlock is off both delete keys work correctly. If the numlock is on 
both key produce a delete plus a comma. The message
http://www.winehq.org/hypermail/wine-patches/2002/12/0329.html
appears to describe the same problem. But the proposed patch didn't work for 
me.

Attached is a xev log. The numlock is initially on. Them the I press  the 
middle keyboard delete, keypad delete, numlock,  middle keyboard delete and 
keypad delete.

Thanks for any help.

Rafael Ávila de Espíndola
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