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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Richard Stallman <rms@gnu.org>
Cc: barry@python.org, emacs-devel@gnu.org
Subject: Re: save-excursion and the mark
Date: Fri, 27 Feb 2015 08:49:00 -0500	[thread overview]
Message-ID: <jwvk2z3cvqj.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <E1YR8Yo-0005kt-ED@fencepost.gnu.org> (Richard Stallman's message of "Thu, 26 Feb 2015 19:13:42 -0500")

> That's true, if it is _never_ used that way.  But it is hard to verify
> _never_, and we can expect some things to break.

Definitely.  This said, the same holds for changing the function
slot of symbols so that they can't be unbound anymore (and use Qnil
instead of Qunbound).  Yet when I did that in 24.4 noone noticed.

> I think the principle of avoiding incompatible changes is enough
> reason to pay the small price of adding one more very
> simple construct.

Then again, the benefit of adding a new construct is rather minimal,


        Stefan



  reply	other threads:[~2015-02-27 13:49 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-23  4:44 save-excursion and the mark Stefan Monnier
2015-02-23 11:34 ` Oleh Krehel
2015-02-23 22:33   ` Stefan Monnier
2015-02-23 23:14     ` Oleh Krehel
2015-02-24  0:12       ` Artur Malabarba
2015-02-24  8:47         ` Oleh Krehel
2015-02-24  2:31   ` Alexis
2015-02-24  3:52     ` Stefan Monnier
2015-02-25  1:58       ` Yuri Khan
2015-02-24 15:37 ` Barry Warsaw
2015-02-24 19:27   ` Stefan Monnier
2015-02-24 20:11     ` Barry Warsaw
2015-02-24 20:49       ` Artur Malabarba
2015-02-25  3:01         ` Stefan Monnier
2015-02-25  3:25           ` Artur Malabarba
2015-02-25 16:31           ` Barry Warsaw
2015-02-25 16:42             ` Stefan Monnier
2015-02-25 17:17             ` Drew Adams
2015-02-25 18:30     ` Richard Stallman
2015-02-26 13:50       ` Stefan Monnier
2015-02-27  0:13         ` Richard Stallman
2015-02-27 13:49           ` Stefan Monnier [this message]
2015-02-27 23:46             ` Richard Stallman
2015-02-28 18:50               ` martin rudalics
2015-03-02  5:36                 ` Stefan Monnier
2015-03-02  5:35               ` Stefan Monnier
2015-03-02 21:05                 ` Richard Stallman
2015-03-03 16:34                   ` Stefan Monnier
2015-03-04 12:01                     ` Richard Stallman
2015-02-24 16:05 ` Andreas Röhler
2015-02-25  2:59   ` Stefan Monnier
2015-02-25 11:49     ` Andreas Röhler
2015-02-25 12:35       ` Ivan Shmakov
2015-02-25 13:05         ` Andreas Röhler
2015-02-25 14:00       ` Stefan Monnier
2015-02-25 17:13         ` Andreas Röhler
2015-02-25  9:18 ` Ivan Shmakov
2015-02-25 15:56   ` Eli Zaretskii
2015-04-06 18:45 ` Magnar Sveen
2015-04-07 21:37   ` Stefan Monnier
2015-04-08  1:57   ` Stefan Monnier
2015-04-14 16:08     ` Magnar Sveen
2015-04-14 20:16       ` Stefan Monnier
2015-04-15  4:14         ` Magnar Sveen
2015-04-15 12:53           ` Stefan Monnier
2015-04-15 13:49             ` Magnar Sveen
2015-04-15 14:59               ` Stefan Monnier
2015-04-18  1:02                 ` Daniel Colascione
2015-04-15 14:24           ` Richard Stallman
2015-04-15 15:16           ` Phillip Lord
2015-04-19 15:28         ` Oleh Krehel
2015-04-20  2:03           ` Stefan Monnier
2015-04-20  6:31         ` Andreas Röhler
2015-04-23 10:03 ` Frank Fischer
2015-05-28 17:42 ` Nicolas Richard
  -- strict thread matches above, loose matches on Subject: below --
2015-04-17 18:53 Lars Magne Ingebrigtsen
2015-04-18  4:26 ` Stefan Monnier
2015-04-18 12:30   ` Wolfgang Jenkner
2015-04-25 12:45   ` Lars Magne Ingebrigtsen
2015-04-25 13:23     ` Lars Magne Ingebrigtsen
2015-04-25 14:19       ` Artur Malabarba

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