Dear Rolf, please find enclosed the changes to Chapter 1 in the file below. Also, please note, that in Chapter 15, starting with p441, l38 the word language is misspelled several times: p441, l38 -- laguage --> language. With best regards, Rainer -- ---------------------------------------------------------------- Dipl.-Inf. Rainer Keller http://www.hlrs.de/people/keller HLRS Tel: ++49 (0)711-685 6 5858 Nobelstrasse 19 Fax: ++49 (0)711-685 6 5832 70550 Stuttgart email: keller_at_[hidden] Germany AIM/Skype:rusraink *