Re: [O] [BUG] [babel] in :eval never with :session

[Rainer M Krug]

Eric Schulte <address@hidden> writes:

> Rainer M Krug <address@hidden> writes:
>
>> Charles Berry <address@hidden> writes:
>>
>>> Eric Schulte <schulte.eric <at> gmail.com> writes:
>>>
>>>> 
>>>> Rainer M Krug <Rainer <at> krugs.de> writes:
>>>> 
>>>> > The error is back:
>>>> >
>>>> 
>>>> You say "back", was this error not present recently?  If so could you
>>>> isolate the commit at which this error appeared?
>>>> 
>>>
>>> The bug seems to be in the use of
>>>
>>>     (org-link-search heading) 
>>>
>>> in org-babel-exp-in-export-file which is called in 
>>> org-babel-exp-process-buffer. 
>>>
>>> That search will find the first heading that is a match after 
>>> (point-min). So it will mess up other header args, too.
>>>
>>> It was there back in 8.0.7 and recent commits did not touch it AFAICS.
>>
>> Org-mode version 7.9.3f (release_7.9.3f-17-g7524ef @
>> /usr/local/Cellar/emacs-mac/emacs-24.3-mac-4.6/share/emacs/24.3/lisp/org/)
>>
>> as well. I don't think it makes sense to go further back. 
>>
>> So no regression, but bug.
>>
>
> Thanks Charles for pointing out the use of `org-link-search' in
> `org-babel-exp-in-export-file' as the source of the problem.  I'm not
> sure there's a clear solution here.  Given that there may be a different
> outline structure between the original and exported file (e.g., some
> headlines may be present in the former and absent from the later), in
> the presence of multiple headings with the same name there is no obvious
> (to me) way to find a given heading from the exported file in the
> original file.
>
> I've just pushed up a change, so that when headings have IDs these will
> be used instead of the heading text to find related heading in the
> original buffer.  This should provide a workaround when multiple
> headings with the same text are desired---just add IDs to all such
> headings.

Sounds great - thanks. This leaves just one question: is there a way of
automatically creating IDs for new headers?

Thanks,

Rainer


>
> Best,
>
>>
>> Cheers,
>>
>> Rainer
>>
>>>
>>> HTH,
>>>
>>> Chuck
>>>
>>>> Thanks,
>>>> Eric
>>>> 
>>>> >
>>>> > When one header in a subtree which has the header argument
>>>> > :eval never
>>>> > has the same name as in a following subtree which should be evaluated on
>>>> > export, the second subtree is not exported. When the name of the header
>>>> > is changed, the subtree is exported as expected.
>>>> >
>>>> > --8<---------------cut here---------------start------------->8---
>>>> > #+PROPERTY: exports both
>>>> > #+PROPERTY: session *tmp_R*
>>>> >
>>>> > * Some non-evaluated code
>>>> > :PROPERTIES:
>>>> > :eval:      never
>>>> > :END:
>>>> > ** This is the same header
>>>> > #+BEGIN_SRC R
>>>> > cat("\ntwo\n")
>>>> > #+END_SRC
>>>> >
>>>> > * Data Assessment Results
>>>> > ** This is the same header
>>>> > If the name of the header is changed, the subtree is evaluated on export.
>>>> > #+begin_src R
>>>> > cat("\nhere it is  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>
>>>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at> 
>>> <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>  <at>
>>>  <at>  <at>  <at>  <at>  <at>  <at> \n")
>>>> > #+end_src
>>>> > --8<---------------cut here---------------end--------------->8---
>>>> >  
>>>> > Org-mode version 8.2.6 (release_8.2.6-920-gc6d698  <at> 
>>> /Users/rainerkrug/.emacs.d/org-mode/lisp/)
>>>> > GNU Emacs 24.3.1 (x86_64-apple-darwin13.0.0, Carbon Version 1.6.0 AppKit
>>> 1265) of 2014-02-13 on Rainers-MacBook-Pro-2.local
>>>> >
>>>> > Cheers,
>>>> >
>>>> > 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
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email:      address@hidden

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