org-use-property-inheritance not working?

[Rainer M Krug <Rainer@krugs.de>]

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Consider this example:

I enable property inheritance with

(setq org-use-property-inheritance t)

--8<---------------cut here---------------start------------->8---
#+PROPERTY: header-args  :tangle-mode (identity #o444)
#+PROPERTY: header-args+ :eval no-export

#+PROPERTY: header-args:R :session *R.EnergyBalance*


* Without properties
#+begin_src 
13
#+end_src

Result from (org-babel-view-src-block-info):
,----
| Properties:
| 	:header-args 	:tangle-mode (identity #o444) :eval no-export
| 	:header-args:nil 	nil
| Switches:  
| Header Arguments:
| 	:cache		no
| 	:eval		no-export
| 	:exports	code
| 	:hlines		no
| 	:noweb		no
| 	:results	replace
| 	:session	none
| 	:tangle		no
| 	:tangle-mode	292
`----

This is as expected.

* First Level
:PROPERTIES:
:header-args+: :tangle ./output/scripts/analysisCode.do.not.source.R
:header-args+: :output-dir ./output
:END:

#+begin_src R 
13
#+end_src

Result from (org-babel-view-src-block-info):
,----
| Lang: R
| Properties:
| 	:header-args 	:tangle-mode (identity #o444) :eval no-export :tangle ./output/scripts/analysisCode.do.not.source.R :output-dir ./output
| 	:header-args:R 	:session *R.EnergyBalance*
| Header Arguments:
| 	:cache		no
| 	:eval		no-export
| 	:exports	code
| 	:hlines		no
| 	:noweb		no
| 	:output-dir	./output
| 	:results	replace
| 	:session	*R.EnergyBalance*
| 	:tangle		./output/scripts/analysisCode.do.not.source.R
| 	:tangle-mode	292
`----

Also as expected, the header arguments are appended

** Second level
:PROPERTIES:
:header-args:R: :session *R.Results.Simp*
:header-args+: :tangle ./output/scripts/graphs.SimplificationOfWindProfileFits.R
:END:

Now the problem comes:

#+begin_src R 
13
#+end_src

Result from (org-babel-view-src-block-info):
,----
| Lang: R
| Properties:
| 	:header-args 	:tangle-mode (identity #o444) :eval no-export :tangle ./output/scripts/graphs.SimplificationOfWindProfileFits.R
| 	:header-args:R 	:session *R.Results.Simp*
| Header Arguments:
| 	:cache		no
| 	:eval		no-export
| 	:exports	code
| 	:hlines		no
| 	:noweb		no
| 	:results	replace
| 	:session	*R.Results.Simp*
| 	:tangle		./output/scripts/graphs.SimplificationOfWindProfileFits.R
| 	:tangle-mode	292
`----

The header arguments from Level One (:output-dir and :tangle) are not
there anymore and only the ones from the Second Level are used.

I would have expected the Level Two header arguments to be added to the
ones from Level One and the File wide?

--8<---------------cut here---------------end--------------->8---

Is this to be expected? I always thought, that the properties are
hierarchical, and that the ones from the lower levels / headers are used
as well?

Is this not the case, or id this a bug?

With property inheritance I would have expected the inheritance, but it
does not seem to make a difference?

Thanks,

Rainer

-- 
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

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