GNU bug report logs - #77823
31.0.50; M-j regression since commit 4c6b1712a4d

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Sean Whitton <spwhitton <at> spwhitton.name>
Subject: bug#77823: closed (Re: bug#77823: 31.0.50; M-j regression since
 commit 4c6b1712a4d)
Date: Tue, 15 Apr 2025 13:16:02 +0000

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Your bug report

#77823: 31.0.50; M-j regression since commit 4c6b1712a4d

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 77823 <at> debbugs.gnu.org.

-- 
77823: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=77823
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Sean Whitton <spwhitton <at> spwhitton.name>
Cc: eg642616 <at> gmail.com, 77823-done <at> debbugs.gnu.org
Subject: Re: bug#77823: 31.0.50; M-j regression since commit 4c6b1712a4d
Date: Tue, 15 Apr 2025 16:15:11 +0300

> Cc: eg642616 <at> gmail.com, eliz <at> gnu.org
> From: Sean Whitton <spwhitton <at> spwhitton.name>
> Date: Tue, 15 Apr 2025 19:27:44 +0800
> 
> 1. emacs -q
> 2. C-x b foo RET
> 3. M-x emacs-lisp-mode RET
> 4. ;;;; hello M-j
> 
> Result is:
> 
> --8<---------------cut here---------------start------------->8---
> ;;;; hello|#
> #|
> --8<---------------cut here---------------end--------------->8---
> 
> but it should be
> 
> --8<---------------cut here---------------start------------->8---
> ;;;; hello
> ;;;;
> --8<---------------cut here---------------end--------------->8---

This has been fixed by a followup changeset that Elijah sent.

So I'm closing this bug.

[Message part 3 (message/rfc822, inline)]

From: Sean Whitton <spwhitton <at> spwhitton.name>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; M-j regression since commit 4c6b1712a4d
Date: Tue, 15 Apr 2025 19:27:44 +0800

X-debbugs-cc: eg642616 <at> gmail.com, eliz <at> gnu.org

1. emacs -q
2. C-x b foo RET
3. M-x emacs-lisp-mode RET
4. ;;;; hello M-j

Result is:

--8<---------------cut here---------------start------------->8---
;;;; hello|#
#|
--8<---------------cut here---------------end--------------->8---

but it should be

--8<---------------cut here---------------start------------->8---
;;;; hello
;;;;
--8<---------------cut here---------------end--------------->8---

My first thought is that since multiline comments of this style are not
valid Emacs Lisp, we should just set block-comment-start and
block-comment-end to nil for emacs-lisp-mode.

However, the recipe provided above works if you do 'M-x lisp-mode RET'
instead.

Even though Common Lisp supports these block comments, if you are
already writing a semicolon-delimited comment, then M-j should continue
it, rather than starting a #| |# comment.

-- 
Sean Whitton

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