I hope some users can save the time by this warning.
The status bar is good place to show it because it does not interrupt any user operation.
It's better for me that the message will be automatically cleared after 10 seconds. It's long enough to change the setting if he want.
Fixed in SVN (/trunk).
Didier
Implemented in the released version 3.1.9 of OmegaT.
Didier