not quite a tautology, I was being a bit facetious... imho the concept of understanding is tied up with the meaning of expectation, so much so that by definitio

not quite a tautology, I was being a bit facetious... imho the concept of understanding is tied up with the meaning of expectation, so much so that by definition the code I don't understand doesn't do what I expect - if it did, then I'd understand it!