From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sebastien Vauban <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
Subject: Re: Macros or properties in source blocks
Date: Wed, 12 Aug 2015 09:20:29 +0200
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"Charles C. Berry" <ccberry-XkckGZ689+c@public.gmane.org> writes:
> On Tue, 11 Aug 2015, Gary Oberbrunner wrote:
>
>> I'd like to have either a macro or a property that controls some behavior
>> of an org-mode babel file:
>>
>> #+PROPERTY: report_type All
>>
>> and use that property inline: {{{property(report_type)}}} and in a source
>> block:
>>
>> #+NAME: rtype
>> #+BEGIN_SRC emacs-lisp :results value
>> {{{property(report_type)}}}
>> #+END_SRC
>>
>> And use that source block:
>>
>> The report type is call_rtype()[:results raw]
>>
>> But this doesn't work,
>
> BUT THIS DOES:
>
> #+NAME: rtype
> #+header: :var prop=(org-entry-get (point) "report_type" t)
> #+BEGIN_SRC emacs-lisp
> prop
> #+END_SRC
>
> And use that source block:
>
> The report type is call_rtype()[:results raw]

Though, I don't understand either why your example did not work, as --
during the export process -- macros are supposed to be expanded before
Babel code be evaluated.

There must be some restriction, then, on which part of a document
a macro can reside in.

Best regards,
  Seb

-- 
Sebastien Vauban