* structure: Update the example a bit.  Incidentally, nothing seems to   document the meaning or purpose of the transaction ID in the header of   a representation.  (The meaning is fairly obvious, but not the   purpose.)
* structure: Update the example a bit.  Incidentally, nothing seems to
  document the meaning or purpose of the transaction ID in the header of
  a representation.  (The meaning is fairly obvious, but not the
  purpose.)

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion