GNU bug report logs - #78467
30.1; evaluating isearch-forward to invisible text in org-mode breaks folding

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Brett <brett.kerwin1 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.1; evaluating isearch-forward to invisible text in org-mode breaks
 folding
Date: Fri, 16 May 2025 17:23:47 +0200

Create a 3-line file named foobar.org containing exactly this:

* foo
** bar
baz

(So the first character of the file is *.)  Type

emacs -Q foobar.org

and type

TAB M-: (isearch-forward) RET b RET

(this folds everything, then calls the isearch-forward function, searches
for b which will unfold everything and position the point on the second
line).  Now type TAB: this should fold the second heading only, but it will
fold everything.  And in fact you can try moving around and pressing TAB
again as many times as you want: you will never be able to fold only the
second heading again.

Note that replacing

M-: (isearch-forward)

in the above sequence with

M-x isearch-forward

does NOT trigger the bug, instead it does produce the desired behaviour.

In GNU Emacs 30.1 (build 1, x86_64-redhat-linux-gnu, X toolkit, cairo
version 1.18.2, Xaw3d scroll bars) of 2025-04-08 built on
801fee700660491d8dc8419bf4a7391e

Message #8 received at 78467 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Brett <brett.kerwin1 <at> gmail.com>
Cc: 78467 <at> debbugs.gnu.org
Subject: Re: bug#78467: 30.1;
 evaluating isearch-forward to invisible text in org-mode breaks
 folding
Date: Sat, 17 May 2025 13:50:11 +0300

> From: Brett <brett.kerwin1 <at> gmail.com>
> Date: Fri, 16 May 2025 17:23:47 +0200
> 
> Create a 3-line file named foobar.org containing exactly this:
> 
> * foo
> ** bar
> baz
> 
> (So the first character of the file is *.)  Type
> 
> emacs -Q foobar.org
> 
> and type
> 
> TAB M-: (isearch-forward) RET b RET
> 
> (this folds everything, then calls the isearch-forward function, searches
> for b which will unfold everything and position the point on the second
> line).  Now type TAB: this should fold the second heading only, but it will
> fold everything.  And in fact you can try moving around and pressing TAB
> again as many times as you want: you will never be able to fold only the
> second heading again.
> 
> Note that replacing
> 
> M-: (isearch-forward)
> 
> in the above sequence with
> 
> M-x isearch-forward
> 
> does NOT trigger the bug, instead it does produce the desired behaviour.

Please submit this to the Org developers first, thanks.

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