On Jul 9, 2010, at 9:21 AM, Rainer M Krug wrote:
On Thu, Jul 8, 2010 at 8:40 PM, Eric Schulte
<schulte.e...@gmail.com> wrote:
Hi Rainer,
Hi Eric
I am aware of this problem, and although I don't know any a good
solution, I do have a good workaround (example attached [1]).
That workaround looks really good - thanks. Much better then
putting :session at the beginning of each source block.
The problem is that org-latex removes all of the #+ lines from the
beginning of any Org-mode file which has headlines as part of the
export
process. This means that by the time it's Babel's turn to run code
blocks, the #+BABEL line has been removed, and the session is not set.
If there are no headlines, then this problem does not arise.
OK - that explains.
I sent in a patch last week, [2] but it's application would have
broken
other features of the latex export, I've yet to work out a good
solution
to this.
There is a decent work-around. Whenever there are no headlines, then
the #+BABEL: line works fine on LaTeX export, when there are
headlines,
then header arguments can be placed as properties in the headlines to
the same effect.
Would it be possible to issue a warning if a #+BABEL line is
stripped by LaTeX? If I think back, this stripping cost me quite
some time to figure out why things are working differently when
exporting to LaTeX then html.
No, we really need to fix this.
Can someone please try if the following patch does fix this issue?
diff --git a/lisp/org-latex.el b/lisp/org-latex.el
index 70298fd..3cfa36c 100644
--- a/lisp/org-latex.el
+++ b/lisp/org-latex.el
@@ -1221,9 +1221,16 @@ If END is non-nil, it is the end of the region."
:timestamps (plist-get opt-plist :timestamps)
:footnotes (plist-get opt-plist :footnotes)))
(org-unmodified
- (let ((inhibit-read-only t))
- (add-text-properties pt (max pt (1- end))
- '(:org-license-to-kill t))))))))
+ (let ((inhibit-read-only t)
+ (limit (max pt (1- end))))
+ (add-text-properties pt limit
+ '(:org-license-to-kill t))
+ (save-excursion
+ (goto-char pt)
+ (while (re-search-forward "^[ \t]*#+.*\n?" limit t)
+ (remove-text-properties (match-beginning 0) (match-end 0)
+ '(:org-license-to-kill t))))))))))
+
(defvar org-export-latex-header-defs nil
"The header definitions that might be used in the LaTeX body.")
Thanks
- Carsten
Cheers -- Eric
Cheers,
Rainer
Rainer M Krug <r.m.k...@gmail.com> writes:
> Hi
>
> I have the attached org file.
>
> It seems that when exporting to a pdf, the :session argument is
ignored, as
> I get a
> Org-Babel Error Output buffer with:
> Error: object 'x' not found
> Execution halted
>
> and an Org-Babel Error buffer with the same text, and the
resulting pdf does
> only show the code..
>
> HTML export, works as expected.
>
> If I put :session *R_test* behind #+begin_src (R2.org) it works.
>
> Cheers,
>
> Rainer
Footnotes:
[1]
[2] http://thread.gmane.org/gmane.emacs.orgmode/27081
--
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- Carsten
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