To use LyX properly, you must set X up correctly. This is especially vital if you're using the international support features of LyX and want to use non-English keyboard mappings.
Unfortunately, almost nobody bothers to do this, especially those who've installed Linux on a PC. Administrators of large systems can be guilty of this, too, so don't
assume that you're safe if you're using a large system. Any user can instruct X how to use his or her keyboard. You needn't rely on your sysadmin for this - in fact, you shouldn't! The
following two programs are all you need to set up your keyboard the way you want it.
