Hi, can someone provide some examples for rules using a) custom scripts b) the range match type? I haven't found any further explanations about those in the documentation. Thanks a lot! Best regards, Frank -- Dipl.-Inform. Frank Steiner Mail: fst_at_bio.informatik.uni-muenchen.de Lehrstuhl f. Bioinformatik Mail: frank_at_familiesteiner.de LMU, Amalienstr. 17 Phone: +49 89 2180-4049, Fax: -4054 80333 Muenchen, Germany http://www.informatik.uni-kiel.de/~fst/ * Rekursion kann man erst verstehen, wenn man Rekursion verstanden hat. *