Re: `isearch-allow-scroll' - a misnomer and a bad design

[Dani Moncayo]

> Since C-u is always a prefix character, would it make sense to you for
> it not to quit isearch if the character that follows a C-u opt/number
> prefix is a key sequence that is currently in use by isearch, and for it
> to quit Isearch and pass the prefix on to the non-isearch command
> otherwise?
>
> In this case, `C-u C-n' would exit isearch and move down 4 lines, whereas
> `C-u n' would add four "n"s to the current search string.

FWIW: Several people have expressed this idea, with which I agree.
C-u should do nothing by itself (and that includes not exiting
Isearch, of course).  Its only effect should be to provide a prefix
argument to the next command, to extend its behavior.

I hope it helps.

-- 
Dani Moncayo