Re: Undo mode

[Gregory Heytings]

> > I attach three possible solutions, in order of personal preference:
>
> I'm sorry, I'm unable to discuss solutions to a problem I don't 
> understand.
>
> Once again: what is the problem that needs to be fixed here, and why? 
> That Emacs behaves slightly differently from your original code is not a 
> problem in itself.

The three problems of the current state are:

1. All File menu items are shifted to the right because of a single 
checkbox.

2. The "Undelete Frame" item appears and disappears, instead of being 
disabled and enabled.

3. The frame undeletion items uses two entries in the File menu, IMO 
that's one too much, and with the proposed options 1 and 2 it uses only 
one.