bug#7567: Please add a history variable to read-regexp

[Drew Adams]

> >> No: new such functions should not offer both INITIAL-INPUT and
> >> DEFAULT-VALUE.  Instead, they should (like read-regexp) only accept
> >> DEFAULT-VALUE (and automatically add it to the prompt in 
> >> the standard format).
> 
> > Let INITIAL-INPUT be. -- John Lennon
> 
> > No one is forced to use it.  What did it ever do to you? ;-)
> 
> It's too low-level: better provide a DEFAULT-VALUE and then 
> the function

What function?

> can decide to do as we do (i.e. put default in prompt and in 
> M-n) or as they do

They who/what?

> (put it as the initial contents, selected so that
> delete-selection-mode can get rid of it in a pinch).

Who/what does that, and how?