*-Profile: 欄と併用する。 Profile-Diff = namespace "-Profile-Diff-" profile-diff-number ":" profile-desc
 profile-desc = *(%x21-7E / %x80-FF / FWS)
              ;; the CC/PP description based on XML/RDF text format45-Profile: "1-P1GRkSjKK50aTWXXndFcSQ=="
45-Profile-Diff-1: <?xml version="1.0"?>
     <RDF xmlns="http://www.w3.org/TR/1999/PR-rdf-syntax-19990105#"
          xmlns:PRF="http://www.w3.org/TR/WD-profile-vocabulary#">
     .....
     </RDF>