GNU bug report logs - #77238
30.1.50; [PATCH] Missing blank line when moving outline subtrees with outline-blank-line set to non-nil

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From: James Cherti <contact <at> jamescherti.com>
To: 77238 <at> debbugs.gnu.org, juri <at> linkov.net, eliz <at> gnu.org
Subject: bug#77238: 30.1.50; [PATCH] Missing blank line when moving outline subtrees with outline-blank-line set to non-nil
Date: Mon, 24 Mar 2025 09:03:50 -0400

[Message part 1 (text/plain, inline)]

Emacs outline fails to preserve the final blank line after headings
when moving subtrees up or down when the outline-blank-line variable
is set to non-nil.

Attached is a patch that resolves the issue.

Steps to Reproduce:
- Set outline-blank-line to a non-nil value (e.g., t).
- Create an outline with multiple subtrees, ensuring a blank line
between them.
- Move an outline subtree up or down using the appropriate command (M-UP 
or M-DOWN).
- Observe that the moved subtree may not include the final blank line.

Expected Behavior: When moving outline subtrees up or down, Emacs should 
respect the outline-blank-line variable and ensure that the moved 
subtrees retain a blank line.

Actual Behavior: The final blank line is omitted when moving outline 
subtrees, despite outline-blank-line being set to non-nil.

Additional Information: Including a blank line when outline-blank-line 
is non-nil is important to maintain the structure of the document. 
Omitting it could cause subtrees to lose their separation, making the 
outline less readable.

--
James Cherti
GitHub: https://github.com/jamescherti
Website: https://www.jamescherti.com/

[outline-move-subtree-down-up-include-blank-line.patch (text/x-patch, attachment)]

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