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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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From: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson <jidanni@HIDDEN>
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$ emacs file.pl # and start typing
if(/^[^}]/) ...
During the process you will get spurious warnings about mismatched
parentheses etc.
emacs-version "27.1"
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: =?UTF-8?Q?=E7=A9=8D=E4=B8=B9=E5=B0=BC?= Dan Jacobson <jidanni@HIDDEN> Subject: bug#45114: Acknowledgement (perl-mode warns about mismatched parentheses wrongly) Message-ID: <handler.45114.B.160740632832737.ack <at> debbugs.gnu.org> References: <878sa8svfk.5.fsf@HIDDEN> X-Gnu-PR-Message: ack 45114 X-Gnu-PR-Package: emacs Reply-To: 45114 <at> debbugs.gnu.org Date: Tue, 08 Dec 2020 05:46:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-gnu-emacs@HIDDEN If you wish to submit further information on this problem, please send it to 45114 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 45114: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D45114 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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On December 8, 2020 7:45:03 AM GMT+02:00, "=E7=A9=8D=E4=B8=B9=E5=B0=BC Dan =
Jacobson" <jidanni@jidanni=2Eorg> wrote:
> $ emacs file=2Epl # and start typing
> if(/^[^}]/) =2E=2E=2E
>=20
> During the process you will get spurious warnings about mismatched
> parentheses etc=2E
>=20
> emacs-version "27=2E1"
This is a well documented feature=2E If you don't like it, turn off blink=
-matching-paren=2E
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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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On December 8, 2020 7:45:03 AM GMT+02:00, "=E7=A9=8D=E4=B8=B9=E5=B0=BC Dan =
Jacobson" <jidanni@jidanni=2Eorg> wrote:
> $ emacs file=2Epl # and start typing
> if(/^[^}]/) =2E=2E=2E
>=20
> During the process you will get spurious warnings about mismatched
> parentheses etc=2E
>=20
> emacs-version "27=2E1"
This is a well documented feature=2E If you don't like it, turn off blink=
-matching-paren=2E
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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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>>>>> "EZ" == Eli Zaretskii <eliz@HIDDEN> writes:
EZ> This is a well documented feature. If you don't like it, turn off blink-matching-paren.
But that would ruin it outside of regular expressions too.
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On December 8, 2020 8:38:25 AM GMT+02:00, "=E7=A9=8D=E4=B8=B9=E5=B0=BC Dan =
Jacobson" <jidanni@jidanni=2Eorg> wrote:
> >>>>> "EZ" =3D=3D Eli Zaretskii <eliz@gnu=2Eorg> writes:
>=20
> EZ> This is a well documented feature=2E If you don't like it, turn off
> blink-matching-paren=2E
>=20
> But that would ruin it outside of regular expressions too=2E
I see nothing special about regular expressions in this context=2E Parens=
matching is useful there as well as anywhere else=2E
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>>>>> "EZ" == Eli Zaretskii <eliz@HIDDEN> writes:
EZ> I see nothing special about regular expressions in this context. Parens matching is useful there as well as anywhere else.
/[
means we are entering characters that stand on their own, that _should
not be thought to match_ previous characters.
As I am entering the regexp, emacs should not tell me that
/[}
is wrong.
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On December 8, 2020 9:09:51 AM GMT+02:00, "=E7=A9=8D=E4=B8=B9=E5=B0=BC Dan =
Jacobson" <jidanni@jidanni=2Eorg> wrote:
> >>>>> "EZ" =3D=3D Eli Zaretskii <eliz@gnu=2Eorg> writes:
> EZ> I see nothing special about regular expressions in this context=2E=
=20
> Parens matching is useful there as well as anywhere else=2E
>=20
> /[
>=20
> means we are entering characters that stand on their own, that _should
> not be thought to match_ previous characters=2E
>=20
> As I am entering the regexp, emacs should not tell me that
>=20
> /[}
>=20
> is wrong=2E
I disagree=2E
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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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Dan Jacobson"'s message of "Tue, 08 Dec 2020 13:45:03 +0800")
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=E7=A9=8D=E4=B8=B9=E5=B0=BC Dan Jacobson <jidanni@HIDDEN> writes:
> $ emacs file.pl # and start typing
> if(/^[^}]/) ...
>
> During the process you will get spurious warnings about mismatched
> parentheses etc.
>
> emacs-version "27.1"
This is a general Emacs-ism: The warning appears in any mode, not just
in Perl mode. So, in any environment of Perl mode: in code, but also in
strings, comments, and POD - and in character classes of a regex.
Whenever you type [}, the warning will appear (also in Gnus' message
mode, as I just experienced).
The current message texts "Mismatched parentheses" and "No matching
parenthesis found" _look_ pretty much like error messages from a
compiler, or from a syntax-aware programming mode. They always make me
wince.
I suggest to change the message texts to clarify that no effort was
taken to find out whether the mismatch is significant, like this:
Note: no matching paren shown
Would that be acceptable?
I guess this bug can be merged with Bug#24299?
--=20
Cheers,
haj
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Subject: bug#45114: perl-mode warns about mismatched parentheses wrongly
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From: Stefan Kangas <stefankangas@HIDDEN>
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forcemerge 24299 45114
thanks
haj@HIDDEN (Harald J=C3=B6rg) writes:
> I guess this bug can be merged with Bug#24299?
Yes, done.
Received: (at control) by debbugs.gnu.org; 8 Dec 2020 12:03:10 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Dec 08 07:03:10 2020 Received: from localhost ([127.0.0.1]:56736 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1kmbi2-00067c-Df for submit <at> debbugs.gnu.org; Tue, 08 Dec 2020 07:03:10 -0500 Received: from mail-pg1-f176.google.com ([209.85.215.176]:43780) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <stefankangas@HIDDEN>) id 1kmbi0-00067J-EB for control <at> debbugs.gnu.org; Tue, 08 Dec 2020 07:03:09 -0500 Received: by mail-pg1-f176.google.com with SMTP id o5so12003796pgm.10 for <control <at> debbugs.gnu.org>; Tue, 08 Dec 2020 04:03:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:in-reply-to:references:mime-version:date:message-id:subject:to :cc:content-transfer-encoding; bh=C3xry6LKBDXzyAXCP+Y3kyRmh9FiME+epNdtLOPtRu8=; b=tSllu3RgE4+/odgxqnF3DZ0kD4rVLUd53vOZLr8zVqaaZDlCCjq3rrgyCu5clwKWIJ gjf9EyYg4iCoQK1in8wfSkib84UwDpZBRoimqVTxY+X2n5HiuZmfl5TA0Spd7BPiJ8rN CHhPTymfXR7Xj59BJc/icH6hhHgdeLfP1NrY8ch0V8fps89oGarDZ/nfyR7q1lnQ9zmR 4lUU90fNJ1gTKwC/fZuRHrVyvbgyBRfenPuYhuqU0hH1N2hMB2LxT5LY8eV6L6Z1+qeg nIdmmje+sLwgCx6Jp00NWOsZTb4vIRSao/hOojvvpZW7Ff4fIMNZf//n+fMKpK78bonW ygQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:in-reply-to:references:mime-version:date :message-id:subject:to:cc:content-transfer-encoding; bh=C3xry6LKBDXzyAXCP+Y3kyRmh9FiME+epNdtLOPtRu8=; b=fNsu2bsGqBxSdUakIxzikhN+pa1zSjEm5VIyl2Z3VK0DZ4EDT3NGKcFKpZ39b7o8nY dSnS1efDViFjhIEcu1FJRM34xdMo03Yiwkpc8RyIYxhixO7PbH1/Pr5ogg3uYi3LogSV ANZsgj8YcSE0A70luWCotiRVAo0sT3DQum/dZ406/WSWOBlEjBAz/pJMVvg+eq2c/x9z imh6dy81rzj5vhvF52VbCxYxCqq/fB0QQaXLozi/w9q+57kjSB2vPPIjkVb+1fgNHnFY g1YAuhLKCRW8248h55vuHVI8CS9svxLk1lwvvk2jY7JbLzka/U5POeEz54fM4XyByHcP pl1w== X-Gm-Message-State: AOAM530lL53LDCKSJIoXOTCVlHU94q8Ep+6d6/bJUF/vM6Cms6zkUlWd 5pQt6TGuzAC0SAGZUrpk02cMixfL1AtKMc0tNs4= X-Google-Smtp-Source: ABdhPJwJxW6w1yjotq3BFg4uK4avAgDEiQR5DzACbbebhxh+ZYBBP+sqioMh52NUaYnQoFoMGtGRlvVgrpaWMUXyIdg= X-Received: by 2002:a17:90a:a786:: with SMTP id f6mr4105046pjq.104.1607428982544; Tue, 08 Dec 2020 04:03:02 -0800 (PST) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Tue, 8 Dec 2020 06:03:01 -0600 From: Stefan Kangas <stefankangas@HIDDEN> In-Reply-To: <87wnxsv9ck.fsf@hajtower> References: <878sa8svfk.5.fsf@HIDDEN> <87wnxsv9ck.fsf@hajtower> MIME-Version: 1.0 Date: Tue, 8 Dec 2020 06:03:01 -0600 Message-ID: <CADwFkmkCpGSUx84nLC+iyAoXsFYKXbLogoWwiBX9pGz7WK5Yiw@HIDDEN> Subject: Re: bug#45114: perl-mode warns about mismatched parentheses wrongly To: =?UTF-8?B?SGFyYWxkIErDtnJn?= <haj@HIDDEN>, =?UTF-8?B?56mN5Li55bC8IERhbiBKYWNvYnNvbg==?= <jidanni@HIDDEN> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bcc: control <at> debbugs.gnu.org X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control Cc: 45114 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) forcemerge 24299 45114 thanks haj@HIDDEN (Harald J=C3=B6rg) writes: > I guess this bug can be merged with Bug#24299? Yes, done.
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