GNU bug report logs - #21871
Emacs Lisp Mode (at least): spurious parens in column 0 don't get bold red highlighting.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21871: closed (Emacs Lisp Mode (at least): spurious parens in
 column 0 don't get bold red highlighting.)
Date: Tue, 21 Sep 2021 23:08:02 +0000

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Your message dated Tue, 21 Sep 2021 16:07:04 -0700
with message-id <CADwFkmnPR7NNsRYSq4Q3J-D5ZX--gLPxsxLhjnZ5NsFy_jg6_Q <at> mail.gmail.com>
and subject line Re: bug#21871: Emacs Lisp Mode (at least): spurious parens in column 0 don't get bold red highlighting.
has caused the debbugs.gnu.org bug report #21871,
regarding Emacs Lisp Mode (at least): spurious parens in column 0 don't get bold red highlighting.
to be marked as done.

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From: Alan Mackenzie <acm <at> muc.de>
To: bug-gnu-emacs <at> gnu.org
Subject: Emacs Lisp Mode (at least): spurious parens in column 0 don't get
 bold red highlighting.
Date: Tue, 10 Nov 2015 16:30:34 +0000

Hello, Emacs.

In the Emacs manual page "Left Margin Paren", it says that:

   To help you catch violations of this convention, Font Lock mode
   highlights confusing opening delimiters (those that ought to be quoted)
   in bold red.

, where "this convention" is the convention of not putting opening parens
in column 0 when they aren't at the beginning of defuns.

In Emacs Lisp Mode, this highlighting isn't done.  It isn't in CC Mode,
either.

This is either a bug in the code, or a bug in the documentation.  I
rather tend to the view that this bold red highlighting should be done
when open-paren-in-column-0-is-defun-start is non-nil.  I think it did,
at one stage, but searching the emacs-devel archives doesn't reveal what
happened.

-- 
Alan Mackenzie (Nuremberg, Germany).

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From: Stefan Kangas <stefan <at> marxist.se>
To: Alan Mackenzie <acm <at> muc.de>
Cc: 21871-done <at> debbugs.gnu.org
Subject: Re: bug#21871: Emacs Lisp Mode (at least): spurious parens in column
 0 don't get bold red highlighting.
Date: Tue, 21 Sep 2021 16:07:04 -0700

Alan Mackenzie <acm <at> muc.de> writes:

> I would say it should definitely be closed, the fix that has been
> implemented being far and away better than that anticipated by the bug
> report.  :-)

Excellent!  :-)

I'm therefore closing this bug report.

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