Re: Isearch: always try to find longest successful prefix [was: move to fail position in Isearch edit]

[Juri Linkov]

> You'll notice that this would be a lot handier if Isearch always started out
> (and resumed after Isearch edit) by treating the search string incrementally.
>
> For example, suppose you search again with a previous search string `aaxbbb' 
> by
> hitting `C-s C-s' in a buffer where there is no match for `aaxbbb' but there 
> are
> matches for `aa'.
>
> Isearch fails immediately, showing the entire search string, `aaxbbb', as a
> failed match by highlighting it. If, however, you had typed `aaxbbb' to a 
> fresh
> `C-s', then the `aa' match would be located, and the failure highlighting 
> would
> correctly reflect the `aa' prefix match success and the `xbbb' suffix match
> failure.

We could try implementing the idea suggested by Stefan in
http://thread.gmane.org/gmane.emacs.devel/74539/focus=74634
to iteratively remove the last char until a search succeeds.

-- 
Juri Linkov
http://www.jurta.org/emacs/