diff options
Diffstat (limited to 'lisp/rot13.el')
| -rw-r--r-- | lisp/rot13.el | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/rot13.el b/lisp/rot13.el index ee4f51d7ff3..55725473eaa 100644 --- a/lisp/rot13.el +++ b/lisp/rot13.el @@ -63,7 +63,10 @@ ;;;###autoload (defun rot13 (object &optional start end) - "Return ROT13 encryption of OBJECT, a buffer or string." + "ROT13 encrypt OBJECT, a buffer or string. +If OBJECT is a buffer, encrypt the region between START and END. +If OBJECT is a string, encrypt it in its entirety, ignoring START +and END, and return the encrypted string." (if (bufferp object) (with-current-buffer object (rot13-region start end)) |