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: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#77823: closed (31.0.50; M-j regression since commit 4c6b1712a4d)
Date: Tue, 15 Apr 2025 13:16:02 +0000

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Your message dated Tue, 15 Apr 2025 16:15:11 +0300
with message-id <86bjsxh8gw.fsf <at> gnu.org>
and subject line Re: bug#77823: 31.0.50; M-j regression since commit 4c6b1712a4d
has caused the debbugs.gnu.org bug report #77823,
regarding 31.0.50; M-j regression since commit 4c6b1712a4d
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> 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: 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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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.

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