32. In the document structure of claim 1 and wherein: the plurality of types includes a binary type specifying that the segment having the type contains codes representing binary values; the document structure includes at least one binary segment having the binary type; and the means for representing the contents of the binary segment includes codes representing binary values.
34. In the document structure of claim 32 and wherein: the plurality of types includes a binary interpretation type specifying that the segment having the type contains codes indicating how the codes in an associated binary segment are to be interpreted; the document structure includes at least one binary segment and a binary interpretation segment having a binary interpretation type associated with the binary segment; and the means for representing the contents of the segment includes codes indicating how the binary values in the associated binary segment are to be interpreted.