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bug#25562: 25.1; isearch-forward-word first matches a non-word

From: Juri Linkov
Subject: bug#25562: 25.1; isearch-forward-word first matches a non-word
Date: Wed, 01 Feb 2017 02:38:16 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (x86_64-pc-linux-gnu)

>> merge 22589 25562
>> thanks
> AFAIK you didn't yet make the change so that the lax matching state is
> recognizable from the prompt.  No hurry, but I think this report shows
> that the current behavior is at first surprising to users.  Maybe even a
> stronger term than your suggested "Pending" would be appropriate.

Thanks for confirming that it would be a good solution.
We are already using "Pending" indication in the search prompt
in other places to show that the search is not yet fully accepted.
This could do the same for word search as well:

diff --git a/lisp/isearch.el b/lisp/isearch.el
index 5c48c30..3c9dff1 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -2741,6 +2747,8 @@ (defun isearch-search-fun-default ()
            (if isearch-forward #'re-search-forward #'re-search-backward)
            (cond (isearch-regexp-function
                   (let ((lax (isearch--lax-regexp-function-p)))
+                    (when lax
+                      (setq isearch-adjusted t))
                     (if (functionp isearch-regexp-function)
                         (funcall isearch-regexp-function string lax)
                       (word-search-regexp string lax))))

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