Amaya 9.52 XP bug: down arrow key does not work properly

Hi,

In Amaya 9.52 for Windows XP, the down arrow key does not work properly. 
If a paragraph has three or more lines, the cursor goes down two lines 
instead of one when the down arrow key is pressed.

Best regards,
Bartolomé Sintes (http://www.mclibre.org)