Maybe you didn't understand his suggestion: s1 is thought to call a "default" s2, which is the one defined in the same package and which happens to be -I think- the one you call "wrong". To override it, you must supply a coderef as an explicit parameter to s1 as you wrote you wanted to do in Re^2: Calling functions from different namespaces.

See an explicit, minimal example of all this at my other reply.