From: "Andreas Röhler" <andreas.roehler@online.de>
To: emacs-devel@gnu.org
Cc: Alan Mackenzie <acm@muc.de>, rms@gnu.org
Subject: Re: New hook before-region-change-functions wanted
Date: Tue, 12 Sep 2017 17:46:55 +0200 [thread overview]
Message-ID: <8668d7ef-ec15-2b2a-b066-a92236337c9a@online.de> (raw)
In-Reply-To: <E1dqsEN-0006We-Vm@fencepost.gnu.org>
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On 10.09.2017 04:44, Richard Stallman wrote:
> [[[ 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. ]]]
>
> > > That kind of hook is pandora's box. It is too powerful, and would
> > > interact in complex ways. There will be many cases that are hard to
> > > implement correctly, or cause trouble. To implement this probably
> > > means future hassles for ourselves and for package developers.
>
> > I actually implemented it, and it worked as intended.
>
> I think you mean it works as intended in your use case. I am talking
> about something else.
>
> My experience says that this kind of feature is likely to fail in
> various peculiar cases, which would make it a maintenance burder.
> Also, it is likely to show show strange confusing behavior which would
> lead to trouble in debugging. We are better off without it.
>
> The other approach has the virtue of being entirely internal. It will
> not require an announcement, or adding to the Lisp manual.
>
+1, likewise a related earlier message.
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next prev parent reply other threads:[~2017-09-12 15:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-08 14:46 New hook before-region-change-functions wanted Alan Mackenzie
2017-09-08 15:07 ` John Wiegley
2017-09-08 15:10 ` Eli Zaretskii
2017-09-08 15:12 ` Alan Mackenzie
2017-09-08 20:47 ` Dmitry Gutov
2017-09-09 13:46 ` Stefan Monnier
2017-09-08 22:22 ` Richard Stallman
2017-09-09 8:33 ` Alan Mackenzie
2017-09-10 2:44 ` Richard Stallman
2017-09-10 7:37 ` Alan Mackenzie
2017-09-11 1:17 ` Richard Stallman
2017-09-11 16:45 ` Alan Mackenzie
2017-09-12 15:46 ` Andreas Röhler [this message]
2017-09-09 13:44 ` Stefan Monnier
2017-09-10 18:53 ` Alan Mackenzie
2017-09-10 22:21 ` Stefan Monnier
2017-09-10 23:02 ` Drew Adams
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