bug#10148: 24.0.91; "pending" regexp Isearch

[Juri Linkov]

> from "emacs -Q", in the *scratch* buffer, type `C-< C-M-s i s *'.
>
> At that point, the Isearch prompt is "Pending regexp I-search: is*".
> What does "Pending" mean in this context?  I've been unable to find
> out the answer in the manual, and I can't figure it out either (the
> search seems pretty complete to me).

It helps to understand what does this mean after putting a single letter "i"
in front of the word "is", e.g. by putting this first line
in the *scratch* buffer:

;; i This buffer is for notes you don't want to save, and for Lisp evaluation.

and typing the same key sequence `C-< C-M-s i s *'.

"Pending" is necessary for Isearch to go back to the first shorter match.