From: Rainer M Krug <Rainer@krugs.de>
To: Achim Gratz <Stromeko@nexgo.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: Difference :header-args: and :header-args+:?
Date: Tue, 09 Sep 2014 09:56:05 +0200 [thread overview]
Message-ID: <m2mwa9xm5m.fsf@krugs.de> (raw)
In-Reply-To: <m2wq9dxmvw.fsf@krugs.de> (Rainer M. Krug's message of "Tue, 09 Sep 2014 09:40:19 +0200")
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Sorry about some points - see corrections below:
Rainer M Krug <Rainer@krugs.de> writes:
> Achim Gratz <Stromeko@nexgo.de> writes:
>
>> Aaron Ecay writes:
>>> Eric Schulte has said <http://mid.gmane.org/87wqce0w9n.fsf@gmail.com>
>>> that the deprecation of this feature is “premature”. I didn’t realize
>>> at the time that the deprecation was also included in the manual rather
>>> than just a code comment. Possibly it should be un-deprecated.
>>
>> It shouldn't, owing to a number of essentially un-fixable corner cases
>> and its inherent non-scaleability.
>>
>>> Certainly I agree that the suggested replacement is less capable.
>>
>> Do you have an example of something that it cannot do (modulo the bugs
>> and corners of the deprecated syntax)?
>
> I agree with Achim, that the new header-args should be able to do the
> same as the old syntax, but I also think that it is more "clunky" and
> less easy to grasp how to do things.
>
> And the problem are
>
> a) the different ways that properties can be set (system wide, file
> wide, subtree level, code block - I might have forgotten some),
>
> b) the different levels and
>
> d) the inheritance rules of these levels (I assume inheritance is only
> in subtrees and code blocks in the subtree? How do file wide and system
> wide properties play here? (7.4. Property Inheritance, I am confused about the
> system wide and file wide properties?
d) the inheritance rules of these levels - In the manual it says it is
off (7.4 Property Inheritance):
,----
| Org mode does not turn this on by default, because it can slow down
| property searches significantly and is often not needed. However, if
| you find inheritance useful, you can turn it on by setting the variable
| `org-use-property-inheritance'.
`----
But based on my experience it is on? Also in the examples it is on?
Especially the inheritance with the combination of the + is confusing
to me. If inheritance is on, the + should add an argument to the
header-args property, while without the +, it should overwrite the
inherited property? Or do they do the same?
>
> I know that this information is likely somewhere in the manual, but this
> whole issue of properties (especially when including the +) becomes
> rather confusing to me.
>
> Rainer
>
>>
>>
>> Regards,
>> Achim.
--
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)
Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa
Tel : +33 - (0)9 53 10 27 44
Cell: +33 - (0)6 85 62 59 98
Fax : +33 - (0)9 58 10 27 44
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email: Rainer@krugs.de
Skype: RMkrug
PGP: 0x0F52F982
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next prev parent reply other threads:[~2014-09-09 7:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 10:52 Difference :header-args: and :header-args+:? Rainer M Krug
2014-09-04 16:36 ` Aaron Ecay
2014-09-05 7:30 ` Rainer M Krug
2014-09-06 1:18 ` Aaron Ecay
2014-09-08 10:36 ` Rainer M Krug
2014-09-08 14:27 ` Achim Gratz
2014-09-08 22:05 ` Aaron Ecay
2014-09-09 8:20 ` Rainer M Krug
2014-09-09 13:57 ` Achim Gratz
2014-09-09 19:19 ` Rainer M Krug
2014-09-09 13:40 ` Achim Gratz
2014-09-18 1:37 ` Aaron Ecay
2014-09-09 7:40 ` Rainer M Krug
2014-09-09 7:56 ` Rainer M Krug [this message]
2014-09-08 14:17 ` Achim Gratz
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