RE: Delete variables obsolete since Emacs 23

[Drew Adams]

> > There's no obligation, or any good reason, to remove it.
> 
> Actually, `interactive-p` is harmful, so you should remove as many uses
> of it as you can.  `called-interactive-p` is not a good replacement
> for it.

It's not harming me.  Removing it will.

Emacs allows (called-interactively-p 'interactive).
It should also allow (interactive-p) which does the
same thing.