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From: Alan Mackenzie <acm@muc.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: gregory@heytings.org, emacs-devel@gnu.org
Subject: Re: Major modes using `widen' is a good, even essential, programming practice.
Date: Mon, 8 Aug 2022 10:33:17 +0000	[thread overview]
Message-ID: <YvDmbQqY4IeBNEpF@ACM> (raw)
In-Reply-To: <83bksvwje3.fsf@gnu.org>

On Mon, Aug 08, 2022 at 05:37:08 +0300, Eli Zaretskii wrote:
> > Date: Sun, 7 Aug 2022 20:46:17 +0000
> > Cc: emacs-devel@gnu.org
> > From: Alan Mackenzie <acm@muc.de>

> > > Code executed through fontification-functions should do what it was
> > > designed to do, and only that, otherwise it breaks the API contract.

> > Yet you are unable to state precisely what this "designed to do" is.
> > This "API contract" is a mythological creature.  We've already
> > established, in conversation with Eli, that widening is routinely done
> > by functions on fontification-functions, and arbitrary buffer positions
> > are accessed.

> Establishing that sad fact doesn't mean we agree with it.

Death and taxes are sad facts too.  Some things, whether we agree with
them or not, just are.  Calling them "sad" doesn't help deal with them.

-- 
Alan Mackenzie (Nuremberg, Germany).



  reply	other threads:[~2022-08-08 10:33 UTC|newest]

Thread overview: 136+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-06 20:13 Major modes using `widen' is a good, even essential, programming practice Alan Mackenzie
2022-08-06 21:05 ` Stefan Monnier
2022-08-07  6:03 ` Eli Zaretskii
2022-08-07 13:31 ` Gregory Heytings
2022-08-07 14:13   ` Alan Mackenzie
2022-08-07 14:20     ` Eli Zaretskii
2022-08-07 14:59       ` Alan Mackenzie
2022-08-07 15:13         ` Eli Zaretskii
2022-08-07 17:01           ` Alan Mackenzie
2022-08-07 17:23             ` Eli Zaretskii
2022-08-07 17:53               ` Dmitry Gutov
2022-08-07 18:00                 ` Eli Zaretskii
2022-08-07 18:05                   ` Dmitry Gutov
2022-08-07 18:37                     ` Eli Zaretskii
2022-08-07 23:02                       ` Stefan Monnier
2022-08-07 18:49                   ` Óscar Fuentes
2022-08-07 18:59                     ` Eli Zaretskii
2022-08-07 18:56                   ` Lars Ingebrigtsen
2022-08-07 19:20               ` Alan Mackenzie
2022-08-07 19:26                 ` Dmitry Gutov
2022-08-08  2:36                 ` Eli Zaretskii
2022-08-08  9:58                   ` Alan Mackenzie
2022-08-08 11:39                     ` Eli Zaretskii
2022-08-08 15:05                       ` CC Mode with font-lock-maximum-decoration 2 [Was Major modes using `widen' is a good, even essential, programming practice.] Alan Mackenzie
2022-08-08 15:51                         ` Gregory Heytings
2022-08-08 16:05                           ` CC Mode with font-lock-maximum-decoration 2 Alan Mackenzie
2022-08-08 16:50                             ` Gregory Heytings
2022-08-09 19:49                               ` Gregory Heytings
2022-08-08 17:15                         ` CC Mode with font-lock-maximum-decoration 2 [Was Major modes using `widen' is a good, even essential, programming practice.] Eli Zaretskii
2022-08-08 17:41                           ` Eli Zaretskii
2022-08-08 18:41                             ` CC Mode with font-lock-maximum-decoration 2 Alan Mackenzie
2022-08-08 18:51                               ` Eli Zaretskii
2022-08-08 19:09                                 ` Alan Mackenzie
2022-08-09  2:24                                   ` Eli Zaretskii
2022-08-09  8:00                                     ` Alan Mackenzie
2022-08-09 11:07                                       ` Eli Zaretskii
2022-08-09 11:24                                         ` Alan Mackenzie
2022-08-09 11:57                                           ` Eli Zaretskii
2022-08-09 16:36                                             ` Alan Mackenzie
2022-08-09 16:59                                               ` Eli Zaretskii
2022-08-09 17:43                                                 ` Alan Mackenzie
2022-08-09 17:55                                                   ` Eli Zaretskii
2022-08-10  0:22                                                     ` Why tree-sitter instead of Semantic? (was Re: CC Mode with font-lock-maximum-decoration 2) Lynn Winebarger
2022-08-10  2:14                                                       ` Po Lu
2022-08-10  2:42                                                         ` Eli Zaretskii
2022-08-10 10:05                                                           ` Lynn Winebarger
2022-08-10 10:49                                                             ` Po Lu
2022-08-10 11:31                                                             ` Eli Zaretskii
2022-08-12 12:37                                                               ` Lynn Winebarger
2022-08-12 12:50                                                                 ` Eli Zaretskii
2022-08-12 21:50                                                                   ` Ideal performance of ELisp (was: Why tree-sitter instead of Semantic? (was Re: CC Mode with font-lock-maximum-decoration 2)) Stefan Monnier
2022-08-12 23:26                                                                     ` Lynn Winebarger
2022-08-13  2:11                                                                       ` Ideal performance of ELisp Stefan Monnier
2022-08-13 10:51                                                                         ` Lynn Winebarger
2022-08-13 11:13                                                                           ` Lynn Winebarger
2022-08-13 14:07                                                                           ` Stefan Monnier
2022-08-13 14:56                                                                             ` Lynn Winebarger
2022-08-16 16:46                                                                               ` Lynn Winebarger
2022-08-16 17:22                                                                                 ` Stefan Monnier
2022-08-17 12:41                                                                                   ` Lynn Winebarger
2022-08-17 14:04                                                                                     ` Stefan Monnier
2022-08-17 14:19                                                                                       ` Mattias Engdegård
2022-08-17 22:18                                                                                         ` Stefan Monnier
2022-08-17 14:25                                                                                       ` Lynn Winebarger
2022-08-13  4:39                                                                     ` Ideal performance of ELisp (was: Why tree-sitter instead of Semantic? (was Re: CC Mode with font-lock-maximum-decoration 2)) Ihor Radchenko
2022-08-13  7:45                                                                       ` Ideal performance of ELisp Philip Kaludercic
2022-08-13 11:58                                                                         ` Ihor Radchenko
2022-08-13 14:15                                                                       ` Stefan Monnier
2022-08-14  9:25                                                                         ` Andrea Corallo
2022-08-14  9:34                                                                           ` Ihor Radchenko
2022-08-14 13:01                                                                             ` Eli Zaretskii
2022-08-16 19:23                                                                             ` Andrea Corallo
2022-08-14 13:01                                                                           ` Stefan Monnier
2022-08-16  8:59                                                                             ` Andrea Corallo
2022-08-16  9:50                                                                               ` Ihor Radchenko
2022-08-16 18:21                                                                                 ` Andrea Corallo
2022-08-17  9:48                                                                                   ` Ihor Radchenko
2022-08-17 12:02                                                                                     ` Eli Zaretskii
2022-08-16 15:06                                                                               ` Lynn Winebarger
2022-08-16 18:24                                                                                 ` Andrea Corallo
2022-08-17 13:04                                                                                   ` Lynn Winebarger
2022-08-17 14:18                                                                                     ` Andrea Corallo
2022-08-18 12:17                                                                                       ` Lynn Winebarger
2022-08-12 16:00                                                                 ` Why tree-sitter instead of Semantic? (was Re: CC Mode with font-lock-maximum-decoration 2) Akib Azmain Turja
2022-08-12 19:06                                                                   ` tomas
2022-08-13  4:41                                                                     ` Akib Azmain Turja
2022-08-13  5:14                                                                       ` tomas
2022-08-13 11:57                                                                   ` Lynn Winebarger
2022-08-13 14:28                                                                     ` Akib Azmain Turja
2022-08-14 19:24                                                         ` Eric Ludlam
2022-08-16 10:42                                                           ` Lynn Winebarger
2022-08-17  1:56                                                             ` Eric Ludlam
2022-08-10 17:03                                                       ` Tassilo Horn
2022-08-13 14:40                                                       ` Jostein Kjønigsen
2022-08-14  1:23                                                         ` Po Lu
2022-08-16  9:06                                                           ` Lynn Winebarger
2022-08-16 11:05                                                             ` Po Lu
2022-08-16 11:41                                                             ` Eli Zaretskii
2022-08-16 16:33                                                               ` Lynn Winebarger
2022-08-16 17:19                                                                 ` Stefan Monnier
2022-08-16 17:40                                                                   ` Lynn Winebarger
2022-08-17  1:41                                                                     ` Eric Ludlam
2022-08-18 12:34                                                                       ` Lynn Winebarger
2022-08-20 13:15                                                                         ` Eric Ludlam
2022-08-08 18:20                           ` CC Mode with font-lock-maximum-decoration 2 Alan Mackenzie
2022-08-07 20:17     ` Major modes using `widen' is a good, even essential, programming practice Gregory Heytings
2022-08-07 20:46       ` Alan Mackenzie
2022-08-07 20:53         ` Gregory Heytings
2022-08-08  2:37         ` Eli Zaretskii
2022-08-08 10:33           ` Alan Mackenzie [this message]
2022-08-08 11:41             ` Eli Zaretskii
2022-08-07 23:21     ` Stefan Monnier
2022-08-08  2:29       ` Eli Zaretskii
2022-08-08  9:25         ` Stefan Monnier
2022-08-08 11:16           ` Lynn Winebarger
2022-08-08 11:47             ` Eli Zaretskii
2022-08-08 14:24               ` Lynn Winebarger
2022-08-08 11:30           ` Eli Zaretskii
2022-08-08 12:05             ` Stefan Monnier
2022-08-08 12:40               ` Eli Zaretskii
2022-08-08 17:22                 ` Stefan Monnier
2022-08-08 17:34                   ` Eli Zaretskii
2022-08-08 21:16             ` Dmitry Gutov
2022-08-09 11:30               ` Eli Zaretskii
2022-08-09 14:38                 ` Dmitry Gutov
2022-08-09 16:12                   ` Eli Zaretskii
2022-08-09 16:52                     ` Dmitry Gutov
2022-08-09 17:05                       ` Eli Zaretskii
2022-08-09 18:52                         ` Dmitry Gutov
2022-08-09 19:46                           ` Gregory Heytings
2022-08-08 10:38       ` Alan Mackenzie
2022-08-08 11:49         ` Eli Zaretskii
2022-08-08 10:41       ` Gregory Heytings
2022-08-07 17:57 ` Dmitry Gutov
2022-08-22 11:26   ` Alan Mackenzie
2022-08-22 23:59     ` Dmitry Gutov

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