Hi Stefan!

I tried you solution and it works perfectly! Just make sure to save the
keymap after the call to "(run-hooks 'isearch-mode-hook)", as this is where
packages like "folding" installs its keymap.

Juri and Stefan:

While looking around the isearch code, I came up with a theory why
multi-buffer search in change-log-mode no longer works. isearch adds its
hook to the LOCAL pre-command-hook. As change-log-mode search change buffer
and the hook is not installed in the new buffer, the user can't exit
isearch.

Sincerely,
    Anders Lindgren


On Wed, Dec 4, 2013 at 5:31 AM, Stefan Monnier <monnier@iro.umontreal.ca>wrote:

> > folding.el performs such initialization in
> `folding-isearch-hook-function':
> >
> >           (funcall (symbol-function 'set)
> >                    'overriding-terminal-local-map
> folding-isearch-mode-map)
>
> Maybe folding.el is out of luck and will need to be updated.
>
> An alternative is to make isearch record the
> overriding-terminal-local-map that was set "at the beginning" (which
> should be folding-isearch-mode-map for the folding-isearch and
> isearch-mode-map in the normal isearch), and then
> change the check to
>
>      ((not (eq overriding-terminal-local-map
>                isearch-saved-overriding-local-map))
>
> But depending on how folding-isearch-mode-map is defined this may not be
> sufficient, and changes to folding.el will be needed.
>
>
>         Stefan
>