From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rainer M Krug Subject: Re: Difference :header-args: and :header-args+:? Date: Tue, 09 Sep 2014 09:56:05 +0200 Message-ID: References: <877g1j1gwx.fsf@gmail.com> <87vbp1r1fk.fsf@gmail.com> <87sik29ogv.fsf@Rainer.invalid> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:49794) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XRGHk-0003X2-7v for emacs-orgmode@gnu.org; Tue, 09 Sep 2014 03:56:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XRGHf-0007mD-9c for emacs-orgmode@gnu.org; Tue, 09 Sep 2014 03:56:20 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:57096) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XRGHf-0007m8-41 for emacs-orgmode@gnu.org; Tue, 09 Sep 2014 03:56:15 -0400 Received: by mail-wi0-f176.google.com with SMTP id bs8so3919179wib.9 for ; Tue, 09 Sep 2014 00:56:14 -0700 (PDT) In-Reply-To: (Rainer M. Krug's message of "Tue, 09 Sep 2014 09:40:19 +0200") List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Achim Gratz Cc: emacs-orgmode@gnu.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Sorry about some points - see corrections below: Rainer M Krug writes: > Achim Gratz writes: > >> Aaron Ecay writes: >>> Eric Schulte has said >>> that the deprecation of this feature is =E2=80=9Cpremature=E2=80=9D. I= didn=E2=80=99t 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=20 > > 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 abou= t 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. =2D-=20 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 Fax (D): +49 - (0)3 21 21 25 22 44 email: Rainer@krugs.de Skype: RMkrug PGP: 0x0F52F982 --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) iQEcBAEBAgAGBQJUDrKbAAoJENvXNx4PUvmCGrgIANlTWfjFJOGSlaNJQ6ynxxgl E4TlrjAX32vC06e/pZaD0X97PKKh9HVZOEztjGNGJK22MQPlubRFkOQQ3pn0mIZO A4KsHTBiW8eJwAtFCfUFydEOlB14YTGsRdXezDzaTQRPGIAqreYuUolnNwZ4PKUK CqB9+2tYNki+yg1CkwUR0CqSO/7Ckq4jzbs8jiGiCQMjIi59Bv6TVECQ4HEPWAea Def7O7r0RZWdgLNamlG26LvVyrk3CbDTe+kg2L1U6FrjgOU09R4ShI4Jnj9Z7qPo oswhNdczfbnbpxrlRc/ISeZdWug1JVwm60/hUU3A9iKp4sqwQ6RASrhWOejDb00= =+VP+ -----END PGP SIGNATURE----- --=-=-=--