According to Sven Hilscher:

You found also the reason for the crash on sorting a "array of Byte"?

Ah - it doesn't crash here, but it doesn't sort either! Okay, I will fix it. Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski@uni-essen.de - http://home.pages.de/~peter.gerwinski/ [970201] maintainer GNU Pascal [970714] - http://home.pages.de/~gnu-pascal/ [970125]