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> > Huh? JSON arrays preserve element order just like XML preserves element > order. Combining JSON labeled arrays and objects provide you with the > same mechanisms available in markup languages such as XML. > Maybe I'm getting mixed up but is it not unsafe to assume that element order will be preserved in all environments in for/foreach loops where the JSON might be interpreted unless you specifically iterate through elements in order? If I'm wrong, this is a total nonissue. Otherwise, there could be side effects. Don't get me wrong. JSON's a better way to go in general, and I think that too much the focus on lossless preservation of the MARC record has a really held us back. Given that significant portions of the MARC record are not used for search, retrieval, or display, and many useful elements consist of free text, faithfully preserving each field as an object to encode elements such as extent of item or notes strikes me like using a chain saw to cut butter. kyle