* This is a catch-all type. It stuffs a random ostring (assumed to be properly
* encoded) into the stream, or reads a full data element. Implicit tagging
* does not work, and neither does the optional flag, unless the element
* This is a catch-all type. It stuffs a random ostring (assumed to be properly
* encoded) into the stream, or reads a full data element. Implicit tagging
* does not work, and neither does the optional flag, unless the element