I think I see what you mean. Is there a reason you think this is an Ubuntu-specific bug, and not a general bug in upstream (LyX) ?
Does this bug have anything to do with a difference between "Alt + N" versus just clicking on the "Navigate" menu? (I'm trying to rule out the possibility that the bug is in the mechanism that translates shortcuts to the menu.
I think I see what you mean. Is there a reason you think this is an Ubuntu-specific bug, and not a general bug in upstream (LyX) ?
Does this bug have anything to do with a difference between "Alt + N" versus just clicking on the "Navigate" menu? (I'm trying to rule out the possibility that the bug is in the mechanism that translates shortcuts to the menu.