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From: Richard Stallman <rms@gnu.org>
To: Drew Adams <drew.adams@oracle.com>
Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: Should mode commands be idempotent?
Date: Thu, 21 Sep 2017 14:28:23 -0400	[thread overview]
Message-ID: <E1dv6D1-0006Jr-Fl@fencepost.gnu.org> (raw)
In-Reply-To: <9f11a3c6-b113-4bf6-9dab-f894b2ad77b5@default> (message from Drew Adams on Wed, 20 Sep 2017 22:22:21 -0700 (PDT))

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

Users expect major modes to be idempotent.  Any time one is not, it
will cause them surprises.  We should treat that as a bug and fix it
to be idempotent.

As for minor modes, it has been pointed out (by Stefan?) that multiple
hooks could enable the same major mode, and the result should be the
same as if just one hook did so.

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.




  reply	other threads:[~2017-09-21 18:28 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-19 19:58 Should mode commands be idempotent? Philipp Stephani
2017-09-19 22:10 ` Clément Pit-Claudel
2017-09-19 22:29   ` Stefan Monnier
2017-09-20  7:24     ` Clément Pit-Claudel
2017-09-20 14:52       ` John Wiegley
2017-09-20 22:30         ` Stefan Monnier
2017-09-20 23:05           ` Drew Adams
2017-10-08 15:09         ` Philipp Stephani
2017-09-20 22:25       ` Stefan Monnier
2017-09-23  8:16         ` Clément Pit-Claudel
2017-09-23 14:17           ` Stefan Monnier
2017-09-23 20:37             ` Stefan Monnier
2017-09-19 22:58 ` Drew Adams
2017-09-20  3:10   ` Stefan Monnier
2017-09-20 17:52     ` Drew Adams
2017-09-21  1:11       ` Stefan Monnier
2017-09-21  5:22         ` Drew Adams
2017-09-21 18:28           ` Richard Stallman [this message]
     [not found]         ` <<9f11a3c6-b113-4bf6-9dab-f894b2ad77b5@default>
     [not found]           ` <<E1dv6D1-0006Jr-Fl@fencepost.gnu.org>
2017-09-22 15:54             ` Drew Adams
2017-09-23  0:39               ` Richard Stallman
2017-09-23  8:05               ` Clément Pit-Claudel
2017-09-24 17:26                 ` Drew Adams
2017-09-25  7:03                   ` Clément Pit-Claudel
2017-09-25 13:57                     ` Drew Adams
2017-09-26  0:36                       ` Stefan Monnier
2017-09-26  3:30                         ` John Wiegley
2017-09-26 17:55                           ` Drew Adams
2017-09-26 18:01                             ` John Wiegley
2017-09-26 18:50                               ` Drew Adams
2017-09-26 18:54                                 ` John Wiegley
2017-10-08 15:28                                   ` Philipp Stephani
2017-10-08 19:04                                     ` Stefan Monnier
2017-10-10  2:10                                       ` John Wiegley
2017-12-21 20:49                                       ` Philipp Stephani
2017-12-22  2:20                                         ` Stefan Monnier
2017-10-10 23:15                                   ` Herring, Davis
     [not found]               ` <<E1dvYUB-0007na-Mx@fencepost.gnu.org>
2017-09-24 17:26                 ` Drew Adams
2017-09-25 22:06                   ` Richard Stallman
2017-09-19 23:50 ` John Wiegley
2017-09-20  3:09   ` Stefan Monnier
2017-09-20 13:01 ` Richard Stallman

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