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From: Juri Linkov <juri@linkov.net>
To: Drew Adams <drew.adams@oracle.com>
Cc: 45839@debbugs.gnu.org, Utkarsh Singh <utkarsh190601@gmail.com>
Subject: bug#45839: 28.0.50; Isearch and transient mode wierd behaviour in info-mode!
Date: Thu, 14 Jan 2021 11:20:27 +0200	[thread overview]
Message-ID: <87v9bz3l0c.fsf@mail.linkov.net> (raw)
In-Reply-To: <accbedc6-63ce-4e8d-a788-6fdf443ba1dd@default> (Drew Adams's message of "Wed, 13 Jan 2021 11:20:34 -0800 (PST)")

>> Please see in the function 'Info-search' that it intentionally
>> deactivates the active region during the search by calling:
>>
>>   (deactivate-mark)
>>
>> This is because when the search arrives in another Info node,
>> then region highlighting breaks - the region's beginning stays
>> in the previous node, while the region's end moves to the next node.
>> To avoid such situation, it deactivates the active region.
>
> FWIW, Info+ doesn't have this problem.  It deactivates
> the mark only when search moves to another node.

But this doesn't mean that info.el should not be fixed.
Here is the fix:

diff --git a/lisp/info.el b/lisp/info.el
index 62d7b583ff..dec93928b3 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -1973,7 +1973,6 @@ Info-search
                        "Regexp search%s" (car Info-search-history)
 		       (if case-fold-search "" " case-sensitively"))
 		      nil 'Info-search-history)))
-  (deactivate-mark)
   (when (equal regexp "")
     (setq regexp (car Info-search-history)))
   (when regexp
@@ -2066,6 +2065,7 @@ Info-search
                (< found opoint-max))
           ;; Search landed in the same node
           (goto-char found)
+        (deactivate-mark)
         (widen)
         (goto-char found)
         (save-match-data (Info-select-node)))





  parent reply	other threads:[~2021-01-14  9:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13 11:50 bug#45839: 28.0.50; Isearch and transient mode wierd behaviour in info-mode! Utkarsh Singh
2021-01-13 18:06 ` Juri Linkov
2021-01-13 19:20   ` Drew Adams
2021-01-13 19:24     ` Drew Adams
2021-01-14  9:20     ` Juri Linkov [this message]
     [not found]       ` <87mtxby5t9.fsf@gmail.com>
2021-01-14 19:09         ` Juri Linkov

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