bug#14013: 24.3.50; dired-isearch-filenames-regexp is matching text outside filenames

[Michael Heerdegen]

Juri Linkov <juri@jurta.org> writes:

> -                (looking-at (cond
> -                             ((functionp isearch-regexp-function)
> -                              (funcall isearch-regexp-function 
> isearch-string t))
> -                             (isearch-regexp-function (word-search-regexp 
> isearch-string t))
> -                             (isearch-regexp isearch-string)
> -                             (t (regexp-quote isearch-string)))))
> +                ;; Like `looking-at' but uses search functions:
> +                (let ((isearch-forward t))
> +                  (isearch-search-string
> +                   (concat "\\=\\(?:" isearch-string "\\)") nil t)))
>              (error nil))

These lines seem to break backwards char-fold isearch for me.  Test
case:

Insert "creme" in an empty buffer (yes, all just ascii latin chars), go
to eob, and C-r M-s ' creme ==> fails.

Works with forward search and non-char-folding backward search.

Michael.