function s_anyVariable(data, lastType, isNumeric, isKey, isLast, nice, indent)

    --  Basically, if the type changes.
    if lastType ~= type(data) then
        --  Remember the new type. Caching the type is useless.
        lastType = type(data)

        if (!_serialize[lastType]) then
            ErrorNoHalt("vON: Unknown type "..lastType.."!");
        end;

        --  Return the serialized data and the (new) last type.
        --  The second argument, which is true now, means that the data type was just changed.
        return _serialize[lastType](data, true, isNumeric, isKey, isLast, nice, indent), lastType
    end

    --  Otherwise, simply serialize the data.
    return _serialize[lastType](data, false, isNumeric, isKey, isLast, nice, indent), lastType
end