bug#37496: 27.0.50; C-s failing to search

[Juri Linkov]

tags 37496 fixed
close 37496 27.0.60
thanks

>>From what I see wdired doesn't restore a previous value of 
>>isearch-filter-predicate.
> This is fine as long as there are no read-only properties kept in the
> Dired buffer, but it seems in your case read-only properties might be
> still present after finishing Wdired-mode.  If you can reproduce the bug
> please also try the following patch that could fix it:
>
> diff --git a/lisp/wdired.el b/lisp/wdired.el
> index 44f083bb7f..35f1b5ebbd 100644
> --- a/lisp/wdired.el
> +++ b/lisp/wdired.el
> @@ -357,6 +357,8 @@ wdired-change-to-dired-mode
>      (remove-text-properties
>       (point-min) (point-max)
>       '(front-sticky nil rear-nonsticky nil read-only nil keymap nil)))
> +  (remove-function (local 'isearch-filter-predicate)
> +                   #'wdired-isearch-filter-read-only)
>    (use-local-map dired-mode-map)
>    (force-mode-line-update)
>    (setq buffer-read-only t)

I'm pretty sure this patch fixes the bug, so I installed it to emacs-27
and closed.  Please reopen if you encounter the same bug again.