RE: Removing line and column number settings from some buffers

[Drew Adams]

> Please help with `toto' in this example.
> 
> On the other hand, if you want to be able to go either
> forward or backward then you might want to use a ring
> (as defined in standard library ring.el):
> 
> (defvar ring (ring-convert-sequence-to-ring '(nil t always)))
          ^^^^
> (defvar current nil)
> 
> (defun next ()
>   (interactive)
>   (setq current  (ring-next toto current))
                              ^^^^
>   (message "NOW: %s" current))
> 
> (defun previous ()
>   (interactive)
>   (setq current  (ring-previous toto current))
                                  ^^^^
>   (message "NOW: %s" current))

Sorry, typo.  Variable `toto' should be variable `ring'.
(Or vice versa - there should be only one ring variable.)