Re: isearch multiple buffers

[Lennart Borgman (gmail)]

Drew Adams wrote:
> > > Selecting the buffers to be searched is not a problem.  I think the
> > > *Buffer List* is a good interface to select them.  The question is
> > > how to start multi-buffer isearch.  Imagine that you've marked a list
> > > of buffers in the *Buffer List*.  How to start multi-buffer isearch now?
> > > Should C-s start multi-buffer isearch in marked files, or should C-s
> > > still allow searching for the string in the *Buffer List* (this
> > > is useful for searching buffer names in the *Buffer List*).
> > I believe most users would be surprised if C-s started multi-buffer
> > isearch for the marked files.
>
> Until they learn about it. It's not exactly dangerous, but it could be
> surprising the first time, if you haven't heard about it first.

They would have to learn also what to use instead of C-s in that 
particular buffer.

> > But it is still a good "mnemonic". Maybe
> > ask the user if he/she wants to search the marked files?
>
> I'm against that.
>
> Asking the user for confirmation should be a last resort, reserved for
> something that makes changes or has drastic consequences. It should not be
> used just because we introduce a new feature that might surprise a user who
> is not yet aware of it. If we did that each time, we would by now have
> confirmation questions all over the place.