Re: Allow non-matching input, but require confirmation

[Richard Stallman]

    I'd like to add a fourth one:

    4) confirm-only = allow any non-matching input but require confirmation
                      if the input is not a valid completion.

That seems good.

    Also I propose to use it for reading the file name in `find-file'.

Let's make this a user option.  Then we can try it out
as an experiment.