Meta Key

[Yann Collete]

Hello,

Finally, I solved the problem.
Under Exceed, the Alt key is defined as a system key.
When you press the Alt key a first time, the focus swap from X to
windows and when you press the Alt key for the second time,
the focus swap from windows to X. In the configuration menu, you can
change this behavior. I select for the Alt Key: "To X". So, now
when I press the Alt key, the focus doesn't change and the Alt key
behave correctly in Lyx.

Your sincerely,

Yann COLLETTE