docs: def do_update(self, subcmd, opts, *args):
          """Bring changes from the repository into the working copy.
  
          usage:
              update [PATH...]
          
          If no revision given, bring working copy up-to-date with HEAD rev.
          Else synchronize working copy to revision given by -r.
          
          For each updated item a line will start with a character reporting the
          action taken.  These characters have the following meaning:
          
            A  Added
            D  Deleted
            U  Updated
            C  Conflict
            G  Merged
          
          A character in the first column signifies an update to the actual file,
          while updates to the file's properties are shown in the second column.
  
          ${cmd_option_list}
          """
          print "'svn %s' opts: %s" % (subcmd, opts)
          print "'svn %s' args: %s" % (subcmd, args)