According to The African Chief:

Any thoughts on whether the system unit should now export this AddNull function so that it can be available globally? This would introduce something which is not in the BP system unit.

I would suggest to export it on request if an "extensions too" switch has been (*$define*)d. Greetings, Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski@uni-essen.de - http://home.pages.de/~peter.gerwinski/ [971005] maintainer GNU Pascal [971001] - http://home.pages.de/~gnu-pascal/ [971005]