Revised Section 5

I think my changes are pretty well marked in red except in section 5.5.2
where I did some cutting and pasting that I wasn't sure how to indicate.
Please check out that section and other changes.

Thanks,
Donald <<xmlenc-core5D2.html>> 

Donald E. Eastlake 3rd, +1-508-851-8280 (voice), +1-508-851-8507 (fax)
Motorola, MS: M2-450, 20 Cabot Boulevard, Mansfield, MA 02048 USA