From: Carsten Dominik <firstname.lastname@example.org>
To: Robert Goldman <email@example.com>
Subject: Re: question about org-region-active-p
Date: Wed, 17 Dec 2008 17:29:23 +0100 [thread overview]
Message-ID: <531B6C47-6267-4530-ACF8-F2C1548159CE@uva.nl> (raw)
also region-active-p requires transient-mark-mode to be active, if you
at the definition of the region-active-p function, you will see that.
transient-mark-mode is on by default in Emacs. Why did you turn it
*off* in the
On Dec 17, 2008, at 3:12 PM, Robert Goldman wrote:
> Carsten Dominik wrote:
>> Hi Robert,
>> no, I do not think this would make sense, to step out with
>> an error, because all the commands that need a region will
>> also work without one. This is how regions work in Emacs.
>> If you find places in the documentation where this could
>> be made clearer, let me know.
> Thank you Carsten for the response. I am still inclined to think that
> this case is one where the user should get some warning because it's
> that bad class of bug-like situations where code quietly does
> that the user does not expect and that contradicts the documentation.
> On the other hand, I can't see where one would raise an error. It's
> an error to call org-region-active-p without transient-mark-mode;
> some libraries turn this on and off, and the user is entitled not to
> use it.
> The call to export isn't right, because the export command does not
> the system any opportunity to infer whether the user intended to
> on a region or on the whole. So there's no way to tell that the
> expectations are going to be violated.
> The loading of org-mode isn't the right place, either, since the vast
> majority of org-mode works just fine with t-m-m turned off.
> I'm inclined to think that the answer is simply that one shouldn't
> transient-mark-mode off, ever. This works for me, but I hate to think
> of the next person coming along to fall into this same trap, from
> the only means of escape is to inspect the source code and use the
> I would suggest a modification to the manual and will submit one, but
> need clarification about one issue: the use of t-m-m seems to be a
> fallback for older emacsen that don't have region-active-p. I have
> an emacs, so I don't know --- does this mean that on newer emacsen
> org-region-active-p will work even without transient-mark-mode?
next prev parent reply other threads:[~2008-12-17 16:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-16 1:51 question about org-region-active-p Robert Goldman
2008-12-16 2:20 ` Samuel Wales
2008-12-16 7:53 ` Carsten Dominik
2008-12-16 15:43 ` Robert Goldman
2008-12-17 8:13 ` Carsten Dominik
2008-12-17 14:12 ` Robert Goldman
2008-12-17 16:29 ` Carsten Dominik [this message]
2008-12-17 16:38 ` Robert Goldman
2008-12-17 16:44 ` Bernt Hansen
2008-12-17 17:01 ` Carsten Dominik
2008-12-18 16:48 ` Robert Goldman
2008-12-19 8:39 ` Carsten Dominik
2008-12-16 15:52 ` William Henney
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