10. In the document structure of claim 9 and wherein: the means for representing the text of a document includes a string of information including text codes.
10. In the document structure of claim 9 and wherein: the means for representing the text of a document includes a string of information including text codes. 11. In the document structure of claim 10 and wherein the means for representing the text of a document further includes an attribute for supplying information concerning a portion of the string.