docs: def do_propedit(self, subcmd, opts, *args):
          """Edit property PROPNAME with an external editor on targets.
  
          usage:
              1. propedit PROPNAME PATH...
              2. propedit PROPNAME --revprop -r REV [URL]
          
          1. Edits versioned props in working copy.
          2. Edits unversioned remote prop on repos revision.
  
          ${cmd_option_list}
          """
          print "'svn %s' opts: %s" % (subcmd, opts)
          print "'svn %s' args: %s" % (subcmd, args)