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Dirk Laurie <dpl@sun.ac.za> writes: > 6. insert(a,b) does not do the same as insert(a,b,nil). This > behaviour would not be possible for a function of three arguments > written in Lua itself. Huh? function arity(...) return select('#',...) end print(arity(1,2),arity(1,2,nil)) returns 2 3 -- David Kastrup