Subject: bug#24935: [PATCH] Add tests for rot13.el

From: Simen Heggestøyl <[email-masked]>
Date: Tue, 15 Nov 2016 19:43:55 +0100

On Sun, Nov 13, 2016 at 4:39 PM, Eli Zaretskii <[email-masked]> wrote:
> If we are going to fix the doc string, let's also document START and
> END, and tell that they are ignored if OBJECT is a string.

I agree. How about the following?

  "ROT13 encrypt OBJECT, a buffer or string.
Return the ROT13 encrypted string when OBJECT is a string,
ignoring START and END.  ROT13 encrypt the region between
positions START and END when OBJECT is a buffer; all three
arguments are then required."

-- Simen