Re: Concern about new binding.

[Jose A. Ortega Ruiz]

> There is always the possibility to use another free C-x LETTER slot.
> The other ones are c j w x y.  (A few symbols are also free, for
> example # / % : _ !.)

Given that C-/ is undo, i would find it easier to remember C-x / as
revert-buffer ("undo everything", if you look at it sideways :))
than any other proposed alternative.