Re: forward 1 (was: Re: indent-buffer)

[Emanuel Berg via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

> (forward-line)    ; advance one line
> (forward-line -1) ; go back one line

One can do stuff like this with this:

(defun adv (&optional rev)
  (forward-char (if rev -1 1)) )

(defun rev ()
  (adv t) )

;; (adv)
;; (rev)

So what does that mean, reversing is just another form of advancing?

Or it is true what they say in NGE, that You can
(not) advance?

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