Rendering of multi-status responses is suboptimal in SOPE:
  PROPPATCH "subresponses" indicates either complete failure or success
  REPORT responses are handled by SOGo
Therefore it would be nice to refactor those things a little bit and maybe put
some code from SOGo up into SOPE.
 -- wsourdeau@inverse.ca, Tue, 22 Apr 2008 15:21:32 -0400