Florian, By "12..?1" you mean the complement? Shouldn't the strand value be -1? Brian O. On 10/27/05 7:30 AM, "Florian Leitner" <fnl at mendel.imp.univie.ac.at> wrote: > "12..?1" => [$fuzzy_impl, > 1, 1, "UNCERTAIN", 12, 12, "EXACT", "EXACT", 1, 1]