Laurent Duperval, what build did you test.
I just tried it with build 2000113008. I just had a flash: maybe it's a window manager issue. I'll send a message on the sawfish mailing list to see if that could be the case.
dup of bug 55985?
. *** This bug has been marked as a duplicate of 55985 ***
*** Bug 74839 has been marked as a duplicate of this bug. ***