Even if you did, a well built system provides for onscreen, context sensitive help when needed. This allows the user to find out exactly what they need to know, when they need to know it. A user can find out exactly what a field is and what they are supposed to put there. Problems - We could go on for hours about the potential problems the year 2000 will bring to ALL computer systems.
Nobody is safe and everybody is exposed.
Do not wait until New Year's Eve 1999 to face the year 2000. Some companies who built Clipper systems and sold licenses to clients do not now have the time or programmers to maintain them. Maybe they have moved on to a newer system, or have just plain abandoned future responsibility for the code. This happens often. The problem remains, however, of how to support those clients who still use your system and are not ready to migrate to a newer system.