From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Berry, Charles" via "General discussions about Org-mode." <emacs-orgmode@gnu.org>
Subject: Re: :tangle header argument not picked up in #+PROPERTY line or
 :PROPERTIES: block
Date: Tue, 31 Mar 2020 01:08:38 +0000
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To: Joost Kremers <joostkremers@fastmail.fm>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>, Ken Mankoff <mankoff@gmail.com>



> On Mar 30, 2020, at 3:23 PM, Joost Kremers <joostkremers@fastmail.fm> wro=
te:
>=20

[stuff deleted]

>=20
> If I reverse the order and add a `+` sign, like so:
>=20
> ```
> :PROPERTIES:
> :header-args:python+: :session py1 :results function
> :header-args:python+: :tangle out1.py
> :END:
> ```
>=20
> the code does indeed get tangled, but the `:results` header arg isn't pic=
ked up, because the code block doesn't produce any output.


Not so.

`org-babel-view-src-block-info' (C-c C-v C-i with point in the src block be=
low) reports

,----
| Lang: python
| Properties:
| 	:header-args 	nil
| 	:header-args:python 	:session py1 :results function :tangle out1.py
| Header Arguments:
| 	:cache		no
| 	:exports	code
| 	:hlines		no
| 	:noweb		no
| 	:results	function replace
| 	:session	py1
| 	:tangle		out1.py
`----

>=20
> For reference, this is my test file:
>=20
> ```
> * Header 1
> :PROPERTIES:
> :header-args:python+: :session py1 :results function
> :header-args:python+: :tangle out1.py
> :END:
>=20
> #+begin_src python
> a=3D1
> b=3D2
> c=3Da+b
> return c
> #+end_src
>=20
> #+RESULTS:
> ```