   U     - svn-status-update-cmd            run 'svn update'
   c     - svn-status-commit-file           run 'svn commit'
   a     - svn-status-add-file              run 'svn add'
+  +     - svn-status-make-directory        run 'svn mkdir'
   M-c   - svn-status-cleanup               run 'svn cleanup'
   s     - svn-status-show-process-buffer
   e     - svn-status-toggle-edit-cmd-flag

  (message "adding: %S" (svn-status-marked-file-names))
  (svn-status-create-arg-file svn-status-temp-arg-file "" (svn-status-marked-files) "")
  (svn-run-svn t t 'add "add" "--targets" svn-status-temp-arg-file))

(defun svn-status-revert-file ()
  (interactive)

;; U     - svn-status-update-cmd            run 'svn update'
;; c     - svn-status-commit-file           run 'svn commit'
;; a     - svn-status-add-file              run 'svn add'
;; +     - svn-status-make-directory        run 'svn mkdir'
;; M-c   - svn-status-cleanup               run 'svn cleanup'
;; s     - svn-status-show-process-buffer
;; e     - svn-status-toggle-edit-cmd-flag
