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From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: mattiase@acm.org, cpitclaudel@gmail.com, emacs-devel@gnu.org
Subject: Re: :alnum: broken?
Date: Fri, 28 Feb 2020 22:38:19 +0200	[thread overview]
Message-ID: <834kvafnwk.fsf@gnu.org> (raw)
In-Reply-To: <81bfdae0-9fe1-f173-adb1-b5fe2ba2b808@cs.ucla.edu> (message from Paul Eggert on Fri, 28 Feb 2020 12:25:56 -0800)

> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Fri, 28 Feb 2020 12:25:56 -0800
> Cc: mattiase@acm.org, cpitclaudel@gmail.com, emacs-devel@gnu.org
> 
> On 2/28/20 12:09 PM, Eli Zaretskii wrote:
> > The regexp specification is not an Emacs-only feature, and I don't
> > think we should invent a variant of regexp spec where these particular
> > regexps are disallowed.
> 
> It would not be an invention of Emacs. It is a variant used in Gnu grep 
> (and GNU grep surely does more regexp processing than Emacs does, if we 
> look at all the world's computation), and it works fine there. So even 
> if we took a strict stance against invention in Emacs regexps (a stance 
> that we haven't taken in the past), that stance would not preclude the 
> proposed change.
> 
> > the particular reason for which you propose this change sounds
> > backwards to me.
> 
> The goal of this change is to improve the reliability of Elisp code, by 
> having Emacs reject invariably-incorrect regexps. It's not "backwards" 
> to improve reliability.

I suggest that we agree to disagree on this.

A couple of solutions was proposed that could be regarded as
compromises, and allow us to flag these suspicious regexps in at least
some of the use cases.  I'm okay with those proposals, but not with
the radical one you described.



  reply	other threads:[~2020-02-28 20:38 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-21 18:58 :alnum: broken? Stephen Leake
2020-02-21 19:00 ` Paul Eggert
2020-02-21 19:32   ` Mattias Engdegård
2020-02-21 21:28   ` Stephen Leake
2020-02-22  1:09     ` Paul Eggert
2020-02-22  7:48       ` Eli Zaretskii
2020-02-22 21:28         ` Paul Eggert
2020-02-23  3:28           ` Eli Zaretskii
2020-02-23 10:21       ` Mattias Engdegård
2020-02-23 18:13         ` Paul Eggert
2020-02-23 18:27           ` Eli Zaretskii
2020-02-23 19:34             ` Óscar Fuentes
2020-02-23 22:12               ` Drew Adams
2020-02-25  3:57                 ` Richard Stallman
2020-02-25 14:37                   ` Stefan Monnier
2020-02-25 15:45                     ` Drew Adams
2020-02-25 15:40                   ` Drew Adams
2020-02-25  9:33                 ` Andreas Schwab
2020-02-25 13:53                   ` Clément Pit-Claudel
2020-02-25 15:40                   ` Drew Adams
2020-02-23 18:40           ` Mattias Engdegård
2020-02-26 14:10           ` Mattias Engdegård
2020-02-26 14:54             ` Drew Adams
2020-02-26 15:48             ` Stefan Monnier
2020-02-26 21:00               ` Paul Eggert
2020-02-26 21:18                 ` Mattias Engdegård
2020-02-26 21:24                   ` Clément Pit-Claudel
2020-02-26 22:01                     ` Mattias Engdegård
2020-02-26 22:38                       ` Eli Zaretskii
2020-02-27 17:57                         ` Mattias Engdegård
2020-02-27 23:17                           ` Óscar Fuentes
2020-02-28  8:09                           ` Eli Zaretskii
2020-02-28  8:48                             ` Paul Eggert
2020-02-28 13:11                               ` Eli Zaretskii
2020-02-28 17:41                                 ` Paul Eggert
2020-02-28 20:09                                   ` Eli Zaretskii
2020-02-28 20:25                                     ` Paul Eggert
2020-02-28 20:38                                       ` Eli Zaretskii [this message]
2020-02-28 21:04                                         ` Mattias Engdegård
2020-02-28 21:40                                           ` Eli Zaretskii
2020-02-29 11:43                                             ` Mattias Engdegård
2020-02-29 12:07                                               ` Eli Zaretskii
2020-02-29 14:24                                                 ` Stefan Monnier
2020-02-29 14:14                                               ` Stefan Monnier
2020-02-29 17:33                                                 ` Óscar Fuentes
2020-02-29 19:52                                                   ` Stefan Monnier
2020-02-29 21:12                                                     ` Óscar Fuentes
2020-02-29 22:22                                                       ` Marcin Borkowski
2020-02-29 22:34                                                         ` Clément Pit-Claudel
2020-03-01 22:44                                                           ` Marcin Borkowski
2020-03-02  3:07                                                             ` Stefan Monnier
2020-03-02  7:15                                                               ` Marcin Borkowski
2020-03-02  7:41                                                                 ` Emanuel Berg via Emacs development discussions.
2020-03-02 16:14                                                                   ` Drew Adams
2020-03-02 16:51                                                                     ` Emanuel Berg via Emacs development discussions.
2020-03-02  7:56                                                                 ` Joost Kremers
2020-03-02  9:44                                                                   ` Štěpán Němec
2020-03-02 10:43                                                                     ` Joost Kremers
2020-03-02 13:37                                                                 ` Clément Pit-Claudel
2020-03-02 17:03                                                                 ` Stefan Monnier
2020-03-02 18:23                                                                   ` Clément Pit-Claudel
2020-02-29 23:02                                                         ` Andrea Corallo
2020-03-01 22:41                                                           ` Marcin Borkowski
2020-02-29 22:58                                                       ` Stefan Monnier
2020-02-29 23:28                                                         ` Óscar Fuentes
2020-02-27  1:33                       ` Paul Eggert
2020-02-26 16:01             ` Andreas Schwab
2020-02-26 21:06               ` Mattias Engdegård
2020-02-27  8:43                 ` Andreas Schwab
2020-02-27 18:05                   ` Mattias Engdegård
2020-02-22  9:09     ` Eli Zaretskii
2020-02-23  3:49     ` Richard Stallman
2020-02-23  7:51       ` Paul Eggert
2020-02-23 15:07         ` Eli Zaretskii
2020-02-21 19:01 ` Noam Postavsky
2020-02-21 19:04 ` Andreas Schwab
     [not found] <<86wo8flqct.fsf@stephe-leake.org>
     [not found] ` <<f89e340f-9a19-50e1-4421-57fd3e235548@cs.ucla.edu>
     [not found]   ` <<86sgj3ljf0.fsf@stephe-leake.org>
     [not found]     ` <<E1j5iGS-0000r6-Id@fencepost.gnu.org>
     [not found]       ` <<18bd2b64-1c2f-055f-4fa0-092bdb1da531@cs.ucla.edu>
     [not found]         ` <<838sktibpu.fsf@gnu.org>
2020-02-23 16:52           ` Drew Adams

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